680160780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 288

約数和(自身を含む): 2379585600

約数和(自身を除く): 1699424820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 29, 30, 36, 39, 45, 52, 54, 58, 60, 65, 78, 87, 90, 108, 116, 117, 130, 135, 145, 156, 169, 174, 180, 195, 234, 257, 260, 261, 270, 290, 338, 348, 351, 377, 390, 435, 468, 507, 514, 522, 540, 580, 585, 676, 702, 754, 771, 780, 783, 845, 870, 1014, 1028, 1044, 1131, 1170, 1285, 1305, 1404, 1508, 1521, 1542, 1566, 1690, 1740, 1755, 1885, 2028, 2262, 2313, 2340, 2535, 2570, 2610, 3042, 3084, 3132, 3341, 3380, 3393, 3510, 3770, 3855, 3915, 4524, 4563, 4626, 4901, 5070, 5140, 5220, 5655, 6084, 6682, 6786, 6939, 7020, 7453, 7540, 7605, 7710, 7830, 9126, 9252, 9802, 10023, 10140, 10179, 11310, 11565, 13364, 13572, 13878, 14703, 14906, 15210, 15420, 15660, 16705, 16965, 18252, 19604, 20046, 20358, 22359, 22620, 22815, 23130, 24505, 27756, 29406, 29812, 30069, 30420, 33410, 33930, 34695, 37265, 40092, 40716, 43433, 44109, 44718, 45630, 46260, 49010, 50115, 50895, 58812, 60138, 66820, 67077, 67860, 69390, 73515, 74530, 86866, 88218, 89436, 90207, 91260, 96889, 98020, 100230, 101790, 111795, 120276, 130299, 132327, 134154, 138780, 147030, 149060, 150345, 173732, 176436, 180414, 193778, 200460, 201231, 203580, 217165, 220545, 223590, 260598, 264654, 268308, 290667, 294060, 300690, 335385, 360828, 387556, 390897, 402462, 434330, 441090, 447180, 451035, 484445, 521196, 529308, 581334, 601380, 651495, 661635, 670770, 781794, 804924, 868660, 872001, 882180, 902070, 968890, 1006155, 1162668, 1172691, 1259557, 1302990, 1323270, 1341540, 1453335, 1563588, 1744002, 1804140, 1937780, 1954485, 2012310, 2345382, 2519114, 2605980, 2616003, 2646540, 2906670, 3488004, 3778671, 3908970, 4024620, 4360005, 4690764, 5038228, 5232006, 5813340, 5863455, 6297785, 7557342, 7817940, 8720010, 10464012, 11336013, 11726910, 12595570, 13080015, 15114684, 17440020, 18893355, 22672026, 23453820, 25191140, 26160030, 34008039, 37786710, 45344052, 52320060, 56680065, 68016078, 75573420, 113360130, 136032156, 170040195, 226720260, 340080390, 680160780]

約数ペア:

[(1, 680160780), (2, 340080390), (3, 226720260), (4, 170040195), (5, 136032156), (6, 113360130), (9, 75573420), (10, 68016078), (12, 56680065), (13, 52320060), (15, 45344052), (18, 37786710), (20, 34008039), (26, 26160030), (27, 25191140), (29, 23453820), (30, 22672026), (36, 18893355), (39, 17440020), (45, 15114684), (52, 13080015), (54, 12595570), (58, 11726910), (60, 11336013), (65, 10464012), (78, 8720010), (87, 7817940), (90, 7557342), (108, 6297785), (116, 5863455), (117, 5813340), (130, 5232006), (135, 5038228), (145, 4690764), (156, 4360005), (169, 4024620), (174, 3908970), (180, 3778671), (195, 3488004), (234, 2906670), (257, 2646540), (260, 2616003), (261, 2605980), (270, 2519114), (290, 2345382), (338, 2012310), (348, 1954485), (351, 1937780), (377, 1804140), (390, 1744002), (435, 1563588), (468, 1453335), (507, 1341540), (514, 1323270), (522, 1302990), (540, 1259557), (580, 1172691), (585, 1162668), (676, 1006155), (702, 968890), (754, 902070), (771, 882180), (780, 872001), (783, 868660), (845, 804924), (870, 781794), (1014, 670770), (1028, 661635), (1044, 651495), (1131, 601380), (1170, 581334), (1285, 529308), (1305, 521196), (1404, 484445), (1508, 451035), (1521, 447180), (1542, 441090), (1566, 434330), (1690, 402462), (1740, 390897), (1755, 387556), (1885, 360828), (2028, 335385), (2262, 300690), (2313, 294060), (2340, 290667), (2535, 268308), (2570, 264654), (2610, 260598), (3042, 223590), (3084, 220545), (3132, 217165), (3341, 203580), (3380, 201231), (3393, 200460), (3510, 193778), (3770, 180414), (3855, 176436), (3915, 173732), (4524, 150345), (4563, 149060), (4626, 147030), (4901, 138780), (5070, 134154), (5140, 132327), (5220, 130299), (5655, 120276), (6084, 111795), (6682, 101790), (6786, 100230), (6939, 98020), (7020, 96889), (7453, 91260), (7540, 90207), (7605, 89436), (7710, 88218), (7830, 86866), (9126, 74530), (9252, 73515), (9802, 69390), (10023, 67860), (10140, 67077), (10179, 66820), (11310, 60138), (11565, 58812), (13364, 50895), (13572, 50115), (13878, 49010), (14703, 46260), (14906, 45630), (15210, 44718), (15420, 44109), (15660, 43433), (16705, 40716), (16965, 40092), (18252, 37265), (19604, 34695), (20046, 33930), (20358, 33410), (22359, 30420), (22620, 30069), (22815, 29812), (23130, 29406), (24505, 27756)]