1520227920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{86771}}^1$

素因数の和:86860

約数の個数: 80

約数和(自身を含む): 4777319232

約数和(自身を除く): 3257091312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 120, 146, 219, 240, 292, 365, 438, 584, 730, 876, 1095, 1168, 1460, 1752, 2190, 2920, 3504, 4380, 5840, 8760, 17520, 86771, 173542, 260313, 347084, 433855, 520626, 694168, 867710, 1041252, 1301565, 1388336, 1735420, 2082504, 2603130, 3470840, 4165008, 5206260, 6334283, 6941680, 10412520, 12668566, 19002849, 20825040, 25337132, 31671415, 38005698, 50674264, 63342830, 76011396, 95014245, 101348528, 126685660, 152022792, 190028490, 253371320, 304045584, 380056980, 506742640, 760113960, 1520227920]

約数ペア:

[(1, 1520227920), (2, 760113960), (3, 506742640), (4, 380056980), (5, 304045584), (6, 253371320), (8, 190028490), (10, 152022792), (12, 126685660), (15, 101348528), (16, 95014245), (20, 76011396), (24, 63342830), (30, 50674264), (40, 38005698), (48, 31671415), (60, 25337132), (73, 20825040), (80, 19002849), (120, 12668566), (146, 10412520), (219, 6941680), (240, 6334283), (292, 5206260), (365, 4165008), (438, 3470840), (584, 2603130), (730, 2082504), (876, 1735420), (1095, 1388336), (1168, 1301565), (1460, 1041252), (1752, 867710), (2190, 694168), (2920, 520626), (3504, 433855), (4380, 347084), (5840, 260313), (8760, 173542), (17520, 86771)]