28280520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4621}}^1$

素因数の和:4655

約数の個数: 96

約数和(自身を含む): 97339320

約数和(自身を除く): 69058800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 4621, 6120, 9242, 13863, 18484, 23105, 27726, 36968, 41589, 46210, 55452, 69315, 78557, 83178, 92420, 110904, 138630, 157114, 166356, 184840, 207945, 235671, 277260, 314228, 332712, 392785, 415890, 471342, 554520, 628456, 707013, 785570, 831780, 942684, 1178355, 1414026, 1571140, 1663560, 1885368, 2356710, 2828052, 3142280, 3535065, 4713420, 5656104, 7070130, 9426840, 14140260, 28280520]

約数ペア:

[(1, 28280520), (2, 14140260), (3, 9426840), (4, 7070130), (5, 5656104), (6, 4713420), (8, 3535065), (9, 3142280), (10, 2828052), (12, 2356710), (15, 1885368), (17, 1663560), (18, 1571140), (20, 1414026), (24, 1178355), (30, 942684), (34, 831780), (36, 785570), (40, 707013), (45, 628456), (51, 554520), (60, 471342), (68, 415890), (72, 392785), (85, 332712), (90, 314228), (102, 277260), (120, 235671), (136, 207945), (153, 184840), (170, 166356), (180, 157114), (204, 138630), (255, 110904), (306, 92420), (340, 83178), (360, 78557), (408, 69315), (510, 55452), (612, 46210), (680, 41589), (765, 36968), (1020, 27726), (1224, 23105), (1530, 18484), (2040, 13863), (3060, 9242), (4621, 6120)]