78220740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 251278272

約数和(自身を除く): 173057532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 289, 340, 347, 390, 442, 510, 578, 663, 694, 780, 867, 884, 1020, 1041, 1105, 1156, 1326, 1388, 1445, 1734, 1735, 2082, 2210, 2652, 2890, 3315, 3468, 3470, 3757, 4164, 4335, 4420, 4511, 5205, 5780, 5899, 6630, 6940, 7514, 8670, 9022, 10410, 11271, 11798, 13260, 13533, 15028, 17340, 17697, 18044, 18785, 20820, 22542, 22555, 23596, 27066, 29495, 35394, 37570, 45084, 45110, 54132, 56355, 58990, 67665, 70788, 75140, 76687, 88485, 90220, 100283, 112710, 117980, 135330, 153374, 176970, 200566, 225420, 230061, 270660, 300849, 306748, 353940, 383435, 401132, 460122, 501415, 601698, 766870, 920244, 1002830, 1150305, 1203396, 1303679, 1504245, 1533740, 2005660, 2300610, 2607358, 3008490, 3911037, 4601220, 5214716, 6016980, 6518395, 7822074, 13036790, 15644148, 19555185, 26073580, 39110370, 78220740]

約数ペア:

[(1, 78220740), (2, 39110370), (3, 26073580), (4, 19555185), (5, 15644148), (6, 13036790), (10, 7822074), (12, 6518395), (13, 6016980), (15, 5214716), (17, 4601220), (20, 3911037), (26, 3008490), (30, 2607358), (34, 2300610), (39, 2005660), (51, 1533740), (52, 1504245), (60, 1303679), (65, 1203396), (68, 1150305), (78, 1002830), (85, 920244), (102, 766870), (130, 601698), (156, 501415), (170, 460122), (195, 401132), (204, 383435), (221, 353940), (255, 306748), (260, 300849), (289, 270660), (340, 230061), (347, 225420), (390, 200566), (442, 176970), (510, 153374), (578, 135330), (663, 117980), (694, 112710), (780, 100283), (867, 90220), (884, 88485), (1020, 76687), (1041, 75140), (1105, 70788), (1156, 67665), (1326, 58990), (1388, 56355), (1445, 54132), (1734, 45110), (1735, 45084), (2082, 37570), (2210, 35394), (2652, 29495), (2890, 27066), (3315, 23596), (3468, 22555), (3470, 22542), (3757, 20820), (4164, 18785), (4335, 18044), (4420, 17697), (4511, 17340), (5205, 15028), (5780, 13533), (5899, 13260), (6630, 11798), (6940, 11271), (7514, 10410), (8670, 9022)]