78287580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:313

約数の個数: 192

約数和(自身を含む): 282240000

約数和(自身を除く): 203952420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 139, 140, 149, 180, 189, 210, 252, 270, 278, 298, 315, 378, 417, 420, 447, 540, 556, 596, 630, 695, 745, 756, 834, 894, 945, 973, 1043, 1251, 1260, 1341, 1390, 1490, 1668, 1788, 1890, 1946, 2085, 2086, 2235, 2502, 2682, 2780, 2919, 2980, 3129, 3753, 3780, 3892, 4023, 4170, 4172, 4470, 4865, 5004, 5215, 5364, 5838, 6255, 6258, 6705, 7506, 8046, 8340, 8757, 8940, 9387, 9730, 10430, 11676, 12510, 12516, 13410, 14595, 15012, 15645, 16092, 17514, 18765, 18774, 19460, 20115, 20711, 20860, 25020, 26271, 26820, 28161, 29190, 31290, 35028, 37530, 37548, 40230, 41422, 43785, 46935, 52542, 56322, 58380, 62133, 62580, 75060, 80460, 82844, 87570, 93870, 103555, 105084, 112644, 124266, 131355, 140805, 144977, 175140, 186399, 187740, 207110, 248532, 262710, 281610, 289954, 310665, 372798, 414220, 434931, 525420, 559197, 563220, 579908, 621330, 724885, 745596, 869862, 931995, 1118394, 1242660, 1304793, 1449770, 1739724, 1863990, 2174655, 2236788, 2609586, 2795985, 2899540, 3727980, 3914379, 4349310, 5219172, 5591970, 6523965, 7828758, 8698620, 11183940, 13047930, 15657516, 19571895, 26095860, 39143790, 78287580]

約数ペア:

[(1, 78287580), (2, 39143790), (3, 26095860), (4, 19571895), (5, 15657516), (6, 13047930), (7, 11183940), (9, 8698620), (10, 7828758), (12, 6523965), (14, 5591970), (15, 5219172), (18, 4349310), (20, 3914379), (21, 3727980), (27, 2899540), (28, 2795985), (30, 2609586), (35, 2236788), (36, 2174655), (42, 1863990), (45, 1739724), (54, 1449770), (60, 1304793), (63, 1242660), (70, 1118394), (84, 931995), (90, 869862), (105, 745596), (108, 724885), (126, 621330), (135, 579908), (139, 563220), (140, 559197), (149, 525420), (180, 434931), (189, 414220), (210, 372798), (252, 310665), (270, 289954), (278, 281610), (298, 262710), (315, 248532), (378, 207110), (417, 187740), (420, 186399), (447, 175140), (540, 144977), (556, 140805), (596, 131355), (630, 124266), (695, 112644), (745, 105084), (756, 103555), (834, 93870), (894, 87570), (945, 82844), (973, 80460), (1043, 75060), (1251, 62580), (1260, 62133), (1341, 58380), (1390, 56322), (1490, 52542), (1668, 46935), (1788, 43785), (1890, 41422), (1946, 40230), (2085, 37548), (2086, 37530), (2235, 35028), (2502, 31290), (2682, 29190), (2780, 28161), (2919, 26820), (2980, 26271), (3129, 25020), (3753, 20860), (3780, 20711), (3892, 20115), (4023, 19460), (4170, 18774), (4172, 18765), (4470, 17514), (4865, 16092), (5004, 15645), (5215, 15012), (5364, 14595), (5838, 13410), (6255, 12516), (6258, 12510), (6705, 11676), (7506, 10430), (8046, 9730), (8340, 9387), (8757, 8940)]