279777720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1145

約数の個数: 128

約数和(自身を含む): 876997440

約数和(自身を除く): 597219720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 61, 74, 111, 120, 122, 148, 183, 185, 222, 244, 296, 305, 366, 370, 444, 488, 555, 610, 732, 740, 888, 915, 1033, 1110, 1220, 1464, 1480, 1830, 2066, 2220, 2257, 2440, 3099, 3660, 4132, 4440, 4514, 5165, 6198, 6771, 7320, 8264, 9028, 10330, 11285, 12396, 13542, 15495, 18056, 20660, 22570, 24792, 27084, 30990, 33855, 38221, 41320, 45140, 54168, 61980, 63013, 67710, 76442, 90280, 114663, 123960, 126026, 135420, 152884, 189039, 191105, 229326, 252052, 270840, 305768, 315065, 378078, 382210, 458652, 504104, 573315, 630130, 756156, 764420, 917304, 945195, 1146630, 1260260, 1512312, 1528840, 1890390, 2293260, 2331481, 2520520, 3780780, 4586520, 4662962, 6994443, 7561560, 9325924, 11657405, 13988886, 18651848, 23314810, 27977772, 34972215, 46629620, 55955544, 69944430, 93259240, 139888860, 279777720]

約数ペア:

[(1, 279777720), (2, 139888860), (3, 93259240), (4, 69944430), (5, 55955544), (6, 46629620), (8, 34972215), (10, 27977772), (12, 23314810), (15, 18651848), (20, 13988886), (24, 11657405), (30, 9325924), (37, 7561560), (40, 6994443), (60, 4662962), (61, 4586520), (74, 3780780), (111, 2520520), (120, 2331481), (122, 2293260), (148, 1890390), (183, 1528840), (185, 1512312), (222, 1260260), (244, 1146630), (296, 945195), (305, 917304), (366, 764420), (370, 756156), (444, 630130), (488, 573315), (555, 504104), (610, 458652), (732, 382210), (740, 378078), (888, 315065), (915, 305768), (1033, 270840), (1110, 252052), (1220, 229326), (1464, 191105), (1480, 189039), (1830, 152884), (2066, 135420), (2220, 126026), (2257, 123960), (2440, 114663), (3099, 90280), (3660, 76442), (4132, 67710), (4440, 63013), (4514, 61980), (5165, 54168), (6198, 45140), (6771, 41320), (7320, 38221), (8264, 33855), (9028, 30990), (10330, 27084), (11285, 24792), (12396, 22570), (13542, 20660), (15495, 18056)]