215280120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{5261}}^1$

素因数の和:5317

約数の個数: 128

約数和(自身を含む): 727418880

約数和(自身を除く): 512138760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 660, 682, 744, 930, 1023, 1240, 1320, 1364, 1705, 1860, 2046, 2728, 3410, 3720, 4092, 5115, 5261, 6820, 8184, 10230, 10522, 13640, 15783, 20460, 21044, 26305, 31566, 40920, 42088, 52610, 57871, 63132, 78915, 105220, 115742, 126264, 157830, 163091, 173613, 210440, 231484, 289355, 315660, 326182, 347226, 462968, 489273, 578710, 631320, 652364, 694452, 815455, 868065, 978546, 1157420, 1304728, 1388904, 1630910, 1736130, 1794001, 1957092, 2314840, 2446365, 3261820, 3472260, 3588002, 3914184, 4892730, 5382003, 6523640, 6944520, 7176004, 8970005, 9785460, 10764006, 14352008, 17940010, 19570920, 21528012, 26910015, 35880020, 43056024, 53820030, 71760040, 107640060, 215280120]

約数ペア:

[(1, 215280120), (2, 107640060), (3, 71760040), (4, 53820030), (5, 43056024), (6, 35880020), (8, 26910015), (10, 21528012), (11, 19570920), (12, 17940010), (15, 14352008), (20, 10764006), (22, 9785460), (24, 8970005), (30, 7176004), (31, 6944520), (33, 6523640), (40, 5382003), (44, 4892730), (55, 3914184), (60, 3588002), (62, 3472260), (66, 3261820), (88, 2446365), (93, 2314840), (110, 1957092), (120, 1794001), (124, 1736130), (132, 1630910), (155, 1388904), (165, 1304728), (186, 1157420), (220, 978546), (248, 868065), (264, 815455), (310, 694452), (330, 652364), (341, 631320), (372, 578710), (440, 489273), (465, 462968), (620, 347226), (660, 326182), (682, 315660), (744, 289355), (930, 231484), (1023, 210440), (1240, 173613), (1320, 163091), (1364, 157830), (1705, 126264), (1860, 115742), (2046, 105220), (2728, 78915), (3410, 63132), (3720, 57871), (4092, 52610), (5115, 42088), (5261, 40920), (6820, 31566), (8184, 26305), (10230, 21044), (10522, 20460), (13640, 15783)]