79887780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 288

約数和(自身を含む): 301916160

約数和(自身を除く): 222028380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 47, 57, 60, 63, 70, 71, 76, 84, 90, 94, 95, 105, 114, 126, 133, 140, 141, 142, 171, 180, 188, 190, 210, 213, 228, 235, 252, 266, 282, 284, 285, 315, 329, 342, 355, 380, 399, 420, 423, 426, 470, 497, 532, 564, 570, 630, 639, 658, 665, 684, 705, 710, 798, 846, 852, 855, 893, 940, 987, 994, 1065, 1140, 1197, 1260, 1278, 1316, 1330, 1349, 1410, 1420, 1491, 1596, 1645, 1692, 1710, 1786, 1974, 1988, 1995, 2115, 2130, 2394, 2485, 2556, 2660, 2679, 2698, 2820, 2961, 2982, 3195, 3290, 3337, 3420, 3572, 3948, 3990, 4047, 4230, 4260, 4465, 4473, 4788, 4935, 4970, 5358, 5396, 5922, 5964, 5985, 6251, 6390, 6580, 6674, 6745, 7455, 7980, 8037, 8094, 8460, 8930, 8946, 9443, 9870, 9940, 10011, 10716, 11844, 11970, 12141, 12502, 12780, 13348, 13395, 13490, 14805, 14910, 16074, 16188, 16685, 17860, 17892, 18753, 18886, 19740, 20022, 20235, 22365, 23359, 23940, 24282, 25004, 26790, 26980, 28329, 29610, 29820, 30033, 31255, 32148, 33370, 37506, 37772, 40044, 40185, 40470, 44730, 46718, 47215, 48564, 50055, 53580, 56259, 56658, 59220, 60066, 60705, 62510, 63403, 66740, 70077, 75012, 80370, 80940, 84987, 89460, 93436, 93765, 94430, 100110, 112518, 113316, 116795, 120132, 121410, 125020, 126806, 140154, 141645, 150165, 160740, 169974, 187530, 188860, 190209, 200220, 210231, 225036, 233590, 242820, 253612, 280308, 281295, 283290, 300330, 317015, 339948, 350385, 375060, 380418, 420462, 424935, 443821, 467180, 562590, 566580, 570627, 600660, 634030, 700770, 760836, 840924, 849870, 887642, 951045, 1051155, 1125180, 1141254, 1268060, 1331463, 1401540, 1699740, 1775284, 1902090, 2102310, 2219105, 2282508, 2662926, 2853135, 3804180, 3994389, 4204620, 4438210, 5325852, 5706270, 6657315, 7988778, 8876420, 11412540, 13314630, 15977556, 19971945, 26629260, 39943890, 79887780]

約数ペア:

[(1, 79887780), (2, 39943890), (3, 26629260), (4, 19971945), (5, 15977556), (6, 13314630), (7, 11412540), (9, 8876420), (10, 7988778), (12, 6657315), (14, 5706270), (15, 5325852), (18, 4438210), (19, 4204620), (20, 3994389), (21, 3804180), (28, 2853135), (30, 2662926), (35, 2282508), (36, 2219105), (38, 2102310), (42, 1902090), (45, 1775284), (47, 1699740), (57, 1401540), (60, 1331463), (63, 1268060), (70, 1141254), (71, 1125180), (76, 1051155), (84, 951045), (90, 887642), (94, 849870), (95, 840924), (105, 760836), (114, 700770), (126, 634030), (133, 600660), (140, 570627), (141, 566580), (142, 562590), (171, 467180), (180, 443821), (188, 424935), (190, 420462), (210, 380418), (213, 375060), (228, 350385), (235, 339948), (252, 317015), (266, 300330), (282, 283290), (284, 281295), (285, 280308), (315, 253612), (329, 242820), (342, 233590), (355, 225036), (380, 210231), (399, 200220), (420, 190209), (423, 188860), (426, 187530), (470, 169974), (497, 160740), (532, 150165), (564, 141645), (570, 140154), (630, 126806), (639, 125020), (658, 121410), (665, 120132), (684, 116795), (705, 113316), (710, 112518), (798, 100110), (846, 94430), (852, 93765), (855, 93436), (893, 89460), (940, 84987), (987, 80940), (994, 80370), (1065, 75012), (1140, 70077), (1197, 66740), (1260, 63403), (1278, 62510), (1316, 60705), (1330, 60066), (1349, 59220), (1410, 56658), (1420, 56259), (1491, 53580), (1596, 50055), (1645, 48564), (1692, 47215), (1710, 46718), (1786, 44730), (1974, 40470), (1988, 40185), (1995, 40044), (2115, 37772), (2130, 37506), (2394, 33370), (2485, 32148), (2556, 31255), (2660, 30033), (2679, 29820), (2698, 29610), (2820, 28329), (2961, 26980), (2982, 26790), (3195, 25004), (3290, 24282), (3337, 23940), (3420, 23359), (3572, 22365), (3948, 20235), (3990, 20022), (4047, 19740), (4230, 18886), (4260, 18753), (4465, 17892), (4473, 17860), (4788, 16685), (4935, 16188), (4970, 16074), (5358, 14910), (5396, 14805), (5922, 13490), (5964, 13395), (5985, 13348), (6251, 12780), (6390, 12502), (6580, 12141), (6674, 11970), (6745, 11844), (7455, 10716), (7980, 10011), (8037, 9940), (8094, 9870), (8460, 9443), (8930, 8946)]