311958270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:168

約数の個数: 256

約数和(自身を含む): 959938560

約数和(自身を除く): 647980290

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 31, 39, 45, 47, 54, 61, 62, 65, 78, 90, 93, 94, 117, 122, 130, 135, 141, 155, 183, 186, 195, 234, 235, 270, 279, 282, 305, 310, 351, 366, 390, 403, 423, 465, 470, 549, 558, 585, 610, 611, 702, 705, 793, 806, 837, 846, 915, 930, 1098, 1170, 1209, 1222, 1269, 1395, 1410, 1457, 1586, 1647, 1674, 1755, 1830, 1833, 1891, 2015, 2115, 2379, 2418, 2538, 2745, 2790, 2867, 2914, 3055, 3294, 3510, 3627, 3666, 3782, 3965, 4030, 4185, 4230, 4371, 4758, 5490, 5499, 5673, 5734, 6045, 6110, 6345, 7137, 7254, 7285, 7930, 8235, 8370, 8601, 8742, 9165, 9455, 10881, 10998, 11346, 11895, 12090, 12690, 13113, 14274, 14335, 14570, 16470, 16497, 17019, 17202, 18135, 18330, 18910, 18941, 21411, 21762, 21855, 23790, 24583, 25803, 26226, 27495, 28365, 28670, 32994, 34038, 35685, 36270, 37271, 37882, 39339, 42822, 43005, 43710, 49166, 51057, 51606, 54405, 54990, 56730, 56823, 65565, 71370, 73749, 74542, 77409, 78678, 82485, 85095, 86010, 88877, 94705, 102114, 107055, 108810, 111813, 113646, 122915, 129015, 131130, 147498, 154818, 164970, 170190, 170469, 177754, 186355, 189410, 196695, 214110, 221247, 223626, 245830, 255285, 258030, 266631, 284115, 335439, 340938, 368745, 372710, 387045, 393390, 442494, 444385, 510570, 511407, 533262, 559065, 568230, 663741, 670878, 737490, 774090, 799893, 852345, 888770, 1006317, 1022814, 1106235, 1118130, 1155401, 1327482, 1333155, 1599786, 1677195, 1704690, 2012634, 2212470, 2310802, 2399679, 2557035, 2666310, 3318705, 3354390, 3466203, 3999465, 4799358, 5031585, 5114070, 5777005, 6637410, 6932406, 7998930, 10063170, 10398609, 11554010, 11998395, 17331015, 20797218, 23996790, 31195827, 34662030, 51993045, 62391654, 103986090, 155979135, 311958270]

約数ペア:

[(1, 311958270), (2, 155979135), (3, 103986090), (5, 62391654), (6, 51993045), (9, 34662030), (10, 31195827), (13, 23996790), (15, 20797218), (18, 17331015), (26, 11998395), (27, 11554010), (30, 10398609), (31, 10063170), (39, 7998930), (45, 6932406), (47, 6637410), (54, 5777005), (61, 5114070), (62, 5031585), (65, 4799358), (78, 3999465), (90, 3466203), (93, 3354390), (94, 3318705), (117, 2666310), (122, 2557035), (130, 2399679), (135, 2310802), (141, 2212470), (155, 2012634), (183, 1704690), (186, 1677195), (195, 1599786), (234, 1333155), (235, 1327482), (270, 1155401), (279, 1118130), (282, 1106235), (305, 1022814), (310, 1006317), (351, 888770), (366, 852345), (390, 799893), (403, 774090), (423, 737490), (465, 670878), (470, 663741), (549, 568230), (558, 559065), (585, 533262), (610, 511407), (611, 510570), (702, 444385), (705, 442494), (793, 393390), (806, 387045), (837, 372710), (846, 368745), (915, 340938), (930, 335439), (1098, 284115), (1170, 266631), (1209, 258030), (1222, 255285), (1269, 245830), (1395, 223626), (1410, 221247), (1457, 214110), (1586, 196695), (1647, 189410), (1674, 186355), (1755, 177754), (1830, 170469), (1833, 170190), (1891, 164970), (2015, 154818), (2115, 147498), (2379, 131130), (2418, 129015), (2538, 122915), (2745, 113646), (2790, 111813), (2867, 108810), (2914, 107055), (3055, 102114), (3294, 94705), (3510, 88877), (3627, 86010), (3666, 85095), (3782, 82485), (3965, 78678), (4030, 77409), (4185, 74542), (4230, 73749), (4371, 71370), (4758, 65565), (5490, 56823), (5499, 56730), (5673, 54990), (5734, 54405), (6045, 51606), (6110, 51057), (6345, 49166), (7137, 43710), (7254, 43005), (7285, 42822), (7930, 39339), (8235, 37882), (8370, 37271), (8601, 36270), (8742, 35685), (9165, 34038), (9455, 32994), (10881, 28670), (10998, 28365), (11346, 27495), (11895, 26226), (12090, 25803), (12690, 24583), (13113, 23790), (14274, 21855), (14335, 21762), (14570, 21411), (16470, 18941), (16497, 18910), (17019, 18330), (17202, 18135)]