285500080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 739952640

約数和(自身を除く): 454452560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 73, 76, 80, 83, 95, 124, 146, 152, 155, 166, 190, 248, 292, 304, 310, 332, 365, 380, 415, 496, 584, 589, 620, 664, 730, 760, 830, 1168, 1178, 1240, 1328, 1387, 1460, 1520, 1577, 1660, 2263, 2356, 2480, 2573, 2774, 2920, 2945, 3154, 3320, 4526, 4712, 5146, 5548, 5840, 5890, 6059, 6308, 6640, 6935, 7885, 9052, 9424, 10292, 11096, 11315, 11780, 12118, 12616, 12865, 13870, 15770, 18104, 20584, 22192, 22630, 23560, 24236, 25232, 25730, 27740, 30295, 31540, 36208, 41168, 42997, 45260, 47120, 48472, 48887, 51460, 55480, 60590, 63080, 85994, 90520, 96944, 97774, 102920, 110960, 115121, 121180, 126160, 171988, 181040, 187829, 195548, 205840, 214985, 230242, 242360, 244435, 343976, 375658, 391096, 429970, 460484, 484720, 488870, 575605, 687952, 751316, 782192, 859940, 920968, 939145, 977740, 1151210, 1502632, 1719880, 1841936, 1878290, 1955480, 2302420, 3005264, 3439760, 3568751, 3756580, 3910960, 4604840, 7137502, 7513160, 9209680, 14275004, 15026320, 17843755, 28550008, 35687510, 57100016, 71375020, 142750040, 285500080]

約数ペア:

[(1, 285500080), (2, 142750040), (4, 71375020), (5, 57100016), (8, 35687510), (10, 28550008), (16, 17843755), (19, 15026320), (20, 14275004), (31, 9209680), (38, 7513160), (40, 7137502), (62, 4604840), (73, 3910960), (76, 3756580), (80, 3568751), (83, 3439760), (95, 3005264), (124, 2302420), (146, 1955480), (152, 1878290), (155, 1841936), (166, 1719880), (190, 1502632), (248, 1151210), (292, 977740), (304, 939145), (310, 920968), (332, 859940), (365, 782192), (380, 751316), (415, 687952), (496, 575605), (584, 488870), (589, 484720), (620, 460484), (664, 429970), (730, 391096), (760, 375658), (830, 343976), (1168, 244435), (1178, 242360), (1240, 230242), (1328, 214985), (1387, 205840), (1460, 195548), (1520, 187829), (1577, 181040), (1660, 171988), (2263, 126160), (2356, 121180), (2480, 115121), (2573, 110960), (2774, 102920), (2920, 97774), (2945, 96944), (3154, 90520), (3320, 85994), (4526, 63080), (4712, 60590), (5146, 55480), (5548, 51460), (5840, 48887), (5890, 48472), (6059, 47120), (6308, 45260), (6640, 42997), (6935, 41168), (7885, 36208), (9052, 31540), (9424, 30295), (10292, 27740), (11096, 25730), (11315, 25232), (11780, 24236), (12118, 23560), (12616, 22630), (12865, 22192), (13870, 20584), (15770, 18104)]