78371020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 216619200

約数和(自身を除く): 138248180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 149, 170, 182, 221, 238, 260, 289, 298, 340, 364, 442, 455, 476, 578, 595, 596, 745, 884, 910, 1043, 1105, 1156, 1190, 1445, 1490, 1547, 1820, 1937, 2023, 2086, 2210, 2380, 2533, 2890, 2980, 3094, 3757, 3874, 4046, 4172, 4420, 5066, 5215, 5780, 6188, 7514, 7735, 7748, 8092, 9685, 10115, 10132, 10430, 12665, 13559, 15028, 15470, 17731, 18785, 19370, 20230, 20860, 25330, 26299, 27118, 30940, 32929, 35462, 37570, 38740, 40460, 43061, 50660, 52598, 54236, 65858, 67795, 70924, 75140, 86122, 88655, 105196, 131495, 131716, 135590, 164645, 172244, 177310, 215305, 230503, 262990, 271180, 301427, 329290, 354620, 430610, 461006, 525980, 559793, 602854, 658580, 861220, 922012, 1119586, 1152515, 1205708, 1507135, 2239172, 2305030, 2798965, 3014270, 3918551, 4610060, 5597930, 6028540, 7837102, 11195860, 15674204, 19592755, 39185510, 78371020]

約数ペア:

[(1, 78371020), (2, 39185510), (4, 19592755), (5, 15674204), (7, 11195860), (10, 7837102), (13, 6028540), (14, 5597930), (17, 4610060), (20, 3918551), (26, 3014270), (28, 2798965), (34, 2305030), (35, 2239172), (52, 1507135), (65, 1205708), (68, 1152515), (70, 1119586), (85, 922012), (91, 861220), (119, 658580), (130, 602854), (140, 559793), (149, 525980), (170, 461006), (182, 430610), (221, 354620), (238, 329290), (260, 301427), (289, 271180), (298, 262990), (340, 230503), (364, 215305), (442, 177310), (455, 172244), (476, 164645), (578, 135590), (595, 131716), (596, 131495), (745, 105196), (884, 88655), (910, 86122), (1043, 75140), (1105, 70924), (1156, 67795), (1190, 65858), (1445, 54236), (1490, 52598), (1547, 50660), (1820, 43061), (1937, 40460), (2023, 38740), (2086, 37570), (2210, 35462), (2380, 32929), (2533, 30940), (2890, 27118), (2980, 26299), (3094, 25330), (3757, 20860), (3874, 20230), (4046, 19370), (4172, 18785), (4420, 17731), (5066, 15470), (5215, 15028), (5780, 13559), (6188, 12665), (7514, 10430), (7735, 10132), (7748, 10115), (8092, 9685)]