77880990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 220299264

約数和(自身を除く): 142418274

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 31, 33, 46, 55, 62, 66, 69, 93, 110, 115, 138, 155, 165, 186, 230, 253, 310, 330, 331, 341, 345, 465, 506, 662, 682, 690, 713, 759, 930, 993, 1023, 1265, 1426, 1518, 1655, 1705, 1986, 2046, 2139, 2530, 3310, 3410, 3565, 3641, 3795, 4278, 4965, 5115, 7130, 7282, 7590, 7613, 7843, 9930, 10230, 10261, 10695, 10923, 15226, 15686, 18205, 20522, 21390, 21846, 22839, 23529, 30783, 36410, 38065, 39215, 45678, 47058, 51305, 54615, 61566, 76130, 78430, 83743, 102610, 109230, 112871, 114195, 117645, 153915, 167486, 225742, 228390, 235290, 236003, 251229, 307830, 338613, 418715, 472006, 502458, 564355, 677226, 708009, 837430, 1128710, 1180015, 1256145, 1416018, 1693065, 2360030, 2512290, 2596033, 3386130, 3540045, 5192066, 7080090, 7788099, 12980165, 15576198, 25960330, 38940495, 77880990]

約数ペア:

[(1, 77880990), (2, 38940495), (3, 25960330), (5, 15576198), (6, 12980165), (10, 7788099), (11, 7080090), (15, 5192066), (22, 3540045), (23, 3386130), (30, 2596033), (31, 2512290), (33, 2360030), (46, 1693065), (55, 1416018), (62, 1256145), (66, 1180015), (69, 1128710), (93, 837430), (110, 708009), (115, 677226), (138, 564355), (155, 502458), (165, 472006), (186, 418715), (230, 338613), (253, 307830), (310, 251229), (330, 236003), (331, 235290), (341, 228390), (345, 225742), (465, 167486), (506, 153915), (662, 117645), (682, 114195), (690, 112871), (713, 109230), (759, 102610), (930, 83743), (993, 78430), (1023, 76130), (1265, 61566), (1426, 54615), (1518, 51305), (1655, 47058), (1705, 45678), (1986, 39215), (2046, 38065), (2139, 36410), (2530, 30783), (3310, 23529), (3410, 22839), (3565, 21846), (3641, 21390), (3795, 20522), (4278, 18205), (4965, 15686), (5115, 15226), (7130, 10923), (7282, 10695), (7590, 10261), (7613, 10230), (7843, 9930)]