1815963160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{1483}}^1$

素因数の和:1550

約数の個数: 128

約数和(自身を含む): 4692764160

約数和(自身を除く): 2876801000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 184, 220, 230, 242, 253, 440, 460, 484, 506, 605, 920, 968, 1012, 1210, 1265, 1331, 1483, 2024, 2420, 2530, 2662, 2783, 2966, 4840, 5060, 5324, 5566, 5932, 6655, 7415, 10120, 10648, 11132, 11864, 13310, 13915, 14830, 16313, 22264, 26620, 27830, 29660, 30613, 32626, 34109, 53240, 55660, 59320, 61226, 65252, 68218, 81565, 111320, 122452, 130504, 136436, 153065, 163130, 170545, 179443, 244904, 272872, 306130, 326260, 341090, 358886, 375199, 612260, 652520, 682180, 717772, 750398, 897215, 1224520, 1364360, 1435544, 1500796, 1794430, 1875995, 1973873, 3001592, 3588860, 3751990, 3947746, 4127189, 7177720, 7503980, 7895492, 8254378, 9869365, 15007960, 15790984, 16508756, 19738730, 20635945, 33017512, 39477460, 41271890, 45399079, 78954920, 82543780, 90798158, 165087560, 181596316, 226995395, 363192632, 453990790, 907981580, 1815963160]

約数ペア:

[(1, 1815963160), (2, 907981580), (4, 453990790), (5, 363192632), (8, 226995395), (10, 181596316), (11, 165087560), (20, 90798158), (22, 82543780), (23, 78954920), (40, 45399079), (44, 41271890), (46, 39477460), (55, 33017512), (88, 20635945), (92, 19738730), (110, 16508756), (115, 15790984), (121, 15007960), (184, 9869365), (220, 8254378), (230, 7895492), (242, 7503980), (253, 7177720), (440, 4127189), (460, 3947746), (484, 3751990), (506, 3588860), (605, 3001592), (920, 1973873), (968, 1875995), (1012, 1794430), (1210, 1500796), (1265, 1435544), (1331, 1364360), (1483, 1224520), (2024, 897215), (2420, 750398), (2530, 717772), (2662, 682180), (2783, 652520), (2966, 612260), (4840, 375199), (5060, 358886), (5324, 341090), (5566, 326260), (5932, 306130), (6655, 272872), (7415, 244904), (10120, 179443), (10648, 170545), (11132, 163130), (11864, 153065), (13310, 136436), (13915, 130504), (14830, 122452), (16313, 111320), (22264, 81565), (26620, 68218), (27830, 65252), (29660, 61226), (30613, 59320), (32626, 55660), (34109, 53240)]