220721040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7477}}^1$

素因数の和:7537

約数の個数: 120

約数和(自身を含む): 759435768

約数和(自身を除く): 538714728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 7477, 9840, 14760, 14954, 22431, 29520, 29908, 37385, 44862, 59816, 67293, 74770, 89724, 112155, 119632, 134586, 149540, 179448, 224310, 269172, 299080, 306557, 336465, 358896, 448620, 538344, 598160, 613114, 672930, 897240, 919671, 1076688, 1226228, 1345860, 1532785, 1794480, 1839342, 2452456, 2691720, 2759013, 3065570, 3678684, 4598355, 4904912, 5383440, 5518026, 6131140, 7357368, 9196710, 11036052, 12262280, 13795065, 14714736, 18393420, 22072104, 24524560, 27590130, 36786840, 44144208, 55180260, 73573680, 110360520, 220721040]

約数ペア:

[(1, 220721040), (2, 110360520), (3, 73573680), (4, 55180260), (5, 44144208), (6, 36786840), (8, 27590130), (9, 24524560), (10, 22072104), (12, 18393420), (15, 14714736), (16, 13795065), (18, 12262280), (20, 11036052), (24, 9196710), (30, 7357368), (36, 6131140), (40, 5518026), (41, 5383440), (45, 4904912), (48, 4598355), (60, 3678684), (72, 3065570), (80, 2759013), (82, 2691720), (90, 2452456), (120, 1839342), (123, 1794480), (144, 1532785), (164, 1345860), (180, 1226228), (205, 1076688), (240, 919671), (246, 897240), (328, 672930), (360, 613114), (369, 598160), (410, 538344), (492, 448620), (615, 358896), (656, 336465), (720, 306557), (738, 299080), (820, 269172), (984, 224310), (1230, 179448), (1476, 149540), (1640, 134586), (1845, 119632), (1968, 112155), (2460, 89724), (2952, 74770), (3280, 67293), (3690, 59816), (4920, 44862), (5904, 37385), (7380, 29908), (7477, 29520), (9840, 22431), (14760, 14954)]