78508950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 223289280

約数和(自身を除く): 144780330

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 38, 39, 50, 57, 65, 75, 78, 95, 114, 130, 150, 163, 169, 190, 195, 247, 285, 325, 326, 338, 390, 475, 489, 494, 507, 570, 650, 741, 815, 845, 950, 975, 978, 1014, 1235, 1425, 1482, 1630, 1690, 1950, 2119, 2445, 2470, 2535, 2850, 3097, 3211, 3705, 4075, 4225, 4238, 4890, 5070, 6175, 6194, 6357, 6422, 7410, 8150, 8450, 9291, 9633, 10595, 12225, 12350, 12675, 12714, 15485, 16055, 18525, 18582, 19266, 21190, 24450, 25350, 27547, 30970, 31785, 32110, 37050, 40261, 46455, 48165, 52975, 55094, 63570, 77425, 80275, 80522, 82641, 92910, 96330, 105950, 120783, 137735, 154850, 158925, 160550, 165282, 201305, 232275, 240825, 241566, 275470, 317850, 402610, 413205, 464550, 481650, 523393, 603915, 688675, 826410, 1006525, 1046786, 1207830, 1377350, 1570179, 2013050, 2066025, 2616965, 3019575, 3140358, 4132050, 5233930, 6039150, 7850895, 13084825, 15701790, 26169650, 39254475, 78508950]

約数ペア:

[(1, 78508950), (2, 39254475), (3, 26169650), (5, 15701790), (6, 13084825), (10, 7850895), (13, 6039150), (15, 5233930), (19, 4132050), (25, 3140358), (26, 3019575), (30, 2616965), (38, 2066025), (39, 2013050), (50, 1570179), (57, 1377350), (65, 1207830), (75, 1046786), (78, 1006525), (95, 826410), (114, 688675), (130, 603915), (150, 523393), (163, 481650), (169, 464550), (190, 413205), (195, 402610), (247, 317850), (285, 275470), (325, 241566), (326, 240825), (338, 232275), (390, 201305), (475, 165282), (489, 160550), (494, 158925), (507, 154850), (570, 137735), (650, 120783), (741, 105950), (815, 96330), (845, 92910), (950, 82641), (975, 80522), (978, 80275), (1014, 77425), (1235, 63570), (1425, 55094), (1482, 52975), (1630, 48165), (1690, 46455), (1950, 40261), (2119, 37050), (2445, 32110), (2470, 31785), (2535, 30970), (2850, 27547), (3097, 25350), (3211, 24450), (3705, 21190), (4075, 19266), (4225, 18582), (4238, 18525), (4890, 16055), (5070, 15485), (6175, 12714), (6194, 12675), (6357, 12350), (6422, 12225), (7410, 10595), (8150, 9633), (8450, 9291)]