263406780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1237}}^1$

素因数の和:1285

約数の個数: 216

約数和(自身を含む): 989587872

約数和(自身を除く): 726181092

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 169, 180, 182, 195, 210, 234, 252, 260, 273, 315, 338, 364, 390, 420, 455, 468, 507, 546, 585, 630, 676, 780, 819, 845, 910, 1014, 1092, 1170, 1183, 1237, 1260, 1365, 1521, 1638, 1690, 1820, 2028, 2340, 2366, 2474, 2535, 2730, 3042, 3276, 3380, 3549, 3711, 4095, 4732, 4948, 5070, 5460, 5915, 6084, 6185, 7098, 7422, 7605, 8190, 8659, 10140, 10647, 11133, 11830, 12370, 14196, 14844, 15210, 16081, 16380, 17318, 17745, 18555, 21294, 22266, 23660, 24740, 25977, 30420, 32162, 34636, 35490, 37110, 42588, 43295, 44532, 48243, 51954, 53235, 55665, 64324, 70980, 74220, 77931, 80405, 86590, 96486, 103908, 106470, 111330, 112567, 129885, 144729, 155862, 160810, 173180, 192972, 209053, 212940, 222660, 225134, 241215, 259770, 289458, 311724, 321620, 337701, 389655, 418106, 450268, 482430, 519540, 562835, 578916, 627159, 675402, 723645, 779310, 836212, 964860, 1013103, 1045265, 1125670, 1254318, 1350804, 1447290, 1463371, 1558620, 1688505, 1881477, 2026206, 2090530, 2251340, 2508636, 2894580, 2926742, 3135795, 3377010, 3762954, 4052412, 4181060, 4390113, 5065515, 5853484, 6271590, 6754020, 7316855, 7525908, 8780226, 9407385, 10131030, 12543180, 13170339, 14633710, 17560452, 18814770, 20262060, 21950565, 26340678, 29267420, 37629540, 43901130, 52681356, 65851695, 87802260, 131703390, 263406780]

約数ペア:

[(1, 263406780), (2, 131703390), (3, 87802260), (4, 65851695), (5, 52681356), (6, 43901130), (7, 37629540), (9, 29267420), (10, 26340678), (12, 21950565), (13, 20262060), (14, 18814770), (15, 17560452), (18, 14633710), (20, 13170339), (21, 12543180), (26, 10131030), (28, 9407385), (30, 8780226), (35, 7525908), (36, 7316855), (39, 6754020), (42, 6271590), (45, 5853484), (52, 5065515), (60, 4390113), (63, 4181060), (65, 4052412), (70, 3762954), (78, 3377010), (84, 3135795), (90, 2926742), (91, 2894580), (105, 2508636), (117, 2251340), (126, 2090530), (130, 2026206), (140, 1881477), (156, 1688505), (169, 1558620), (180, 1463371), (182, 1447290), (195, 1350804), (210, 1254318), (234, 1125670), (252, 1045265), (260, 1013103), (273, 964860), (315, 836212), (338, 779310), (364, 723645), (390, 675402), (420, 627159), (455, 578916), (468, 562835), (507, 519540), (546, 482430), (585, 450268), (630, 418106), (676, 389655), (780, 337701), (819, 321620), (845, 311724), (910, 289458), (1014, 259770), (1092, 241215), (1170, 225134), (1183, 222660), (1237, 212940), (1260, 209053), (1365, 192972), (1521, 173180), (1638, 160810), (1690, 155862), (1820, 144729), (2028, 129885), (2340, 112567), (2366, 111330), (2474, 106470), (2535, 103908), (2730, 96486), (3042, 86590), (3276, 80405), (3380, 77931), (3549, 74220), (3711, 70980), (4095, 64324), (4732, 55665), (4948, 53235), (5070, 51954), (5460, 48243), (5915, 44532), (6084, 43295), (6185, 42588), (7098, 37110), (7422, 35490), (7605, 34636), (8190, 32162), (8659, 30420), (10140, 25977), (10647, 24740), (11133, 23660), (11830, 22266), (12370, 21294), (14196, 18555), (14844, 17745), (15210, 17318), (16081, 16380)]