72615920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:211

約数の個数: 120

約数和(自身を含む): 188706672

約数和(自身を除く): 116090752

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 131, 164, 169, 205, 208, 260, 262, 328, 338, 410, 520, 524, 533, 655, 656, 676, 820, 845, 1040, 1048, 1066, 1310, 1352, 1640, 1690, 1703, 2096, 2132, 2620, 2665, 2704, 3280, 3380, 3406, 4264, 5240, 5330, 5371, 6760, 6812, 6929, 8515, 8528, 10480, 10660, 10742, 13520, 13624, 13858, 17030, 21320, 21484, 22139, 26855, 27248, 27716, 34060, 34645, 42640, 42968, 44278, 53710, 55432, 68120, 69290, 69823, 85936, 88556, 107420, 110695, 110864, 136240, 138580, 139646, 177112, 214840, 221390, 277160, 279292, 349115, 354224, 429680, 442780, 554320, 558584, 698230, 885560, 907699, 1117168, 1396460, 1771120, 1815398, 2792920, 3630796, 4538495, 5585840, 7261592, 9076990, 14523184, 18153980, 36307960, 72615920]

約数ペア:

[(1, 72615920), (2, 36307960), (4, 18153980), (5, 14523184), (8, 9076990), (10, 7261592), (13, 5585840), (16, 4538495), (20, 3630796), (26, 2792920), (40, 1815398), (41, 1771120), (52, 1396460), (65, 1117168), (80, 907699), (82, 885560), (104, 698230), (130, 558584), (131, 554320), (164, 442780), (169, 429680), (205, 354224), (208, 349115), (260, 279292), (262, 277160), (328, 221390), (338, 214840), (410, 177112), (520, 139646), (524, 138580), (533, 136240), (655, 110864), (656, 110695), (676, 107420), (820, 88556), (845, 85936), (1040, 69823), (1048, 69290), (1066, 68120), (1310, 55432), (1352, 53710), (1640, 44278), (1690, 42968), (1703, 42640), (2096, 34645), (2132, 34060), (2620, 27716), (2665, 27248), (2704, 26855), (3280, 22139), (3380, 21484), (3406, 21320), (4264, 17030), (5240, 13858), (5330, 13624), (5371, 13520), (6760, 10742), (6812, 10660), (6929, 10480), (8515, 8528)]