216084880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 572177664

約数和(自身を除く): 356092784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 89, 110, 124, 155, 176, 178, 220, 248, 310, 341, 356, 440, 445, 496, 620, 682, 712, 880, 890, 979, 1240, 1364, 1424, 1705, 1780, 1958, 2480, 2728, 2759, 3410, 3560, 3916, 4895, 5456, 5518, 6820, 7120, 7832, 7921, 9790, 11036, 13640, 13795, 15664, 15842, 19580, 22072, 27280, 27590, 30349, 31684, 39160, 39605, 44144, 55180, 60698, 63368, 78320, 79210, 87131, 110360, 121396, 126736, 151745, 158420, 174262, 220720, 242792, 245551, 303490, 316840, 348524, 435655, 485584, 491102, 606980, 633680, 697048, 871310, 982204, 1213960, 1227755, 1394096, 1742620, 1964408, 2427920, 2455510, 2701061, 3485240, 3928816, 4911020, 5402122, 6970480, 9822040, 10804244, 13505305, 19644080, 21608488, 27010610, 43216976, 54021220, 108042440, 216084880]

約数ペア:

[(1, 216084880), (2, 108042440), (4, 54021220), (5, 43216976), (8, 27010610), (10, 21608488), (11, 19644080), (16, 13505305), (20, 10804244), (22, 9822040), (31, 6970480), (40, 5402122), (44, 4911020), (55, 3928816), (62, 3485240), (80, 2701061), (88, 2455510), (89, 2427920), (110, 1964408), (124, 1742620), (155, 1394096), (176, 1227755), (178, 1213960), (220, 982204), (248, 871310), (310, 697048), (341, 633680), (356, 606980), (440, 491102), (445, 485584), (496, 435655), (620, 348524), (682, 316840), (712, 303490), (880, 245551), (890, 242792), (979, 220720), (1240, 174262), (1364, 158420), (1424, 151745), (1705, 126736), (1780, 121396), (1958, 110360), (2480, 87131), (2728, 79210), (2759, 78320), (3410, 63368), (3560, 60698), (3916, 55180), (4895, 44144), (5456, 39605), (5518, 39160), (6820, 31684), (7120, 30349), (7832, 27590), (7921, 27280), (9790, 22072), (11036, 19580), (13640, 15842), (13795, 15664)]