1921291320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1231597}}^1$

素因数の和:1231624

約数の個数: 64

約数和(自身を含む): 6207253920

約数和(自身を除く): 4285962600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1231597, 2463194, 3694791, 4926388, 6157985, 7389582, 9852776, 12315970, 14779164, 16010761, 18473955, 24631940, 29558328, 32021522, 36947910, 48032283, 49263880, 64043044, 73895820, 80053805, 96064566, 128086088, 147791640, 160107610, 192129132, 240161415, 320215220, 384258264, 480322830, 640430440, 960645660, 1921291320]

約数ペア:

[(1, 1921291320), (2, 960645660), (3, 640430440), (4, 480322830), (5, 384258264), (6, 320215220), (8, 240161415), (10, 192129132), (12, 160107610), (13, 147791640), (15, 128086088), (20, 96064566), (24, 80053805), (26, 73895820), (30, 64043044), (39, 49263880), (40, 48032283), (52, 36947910), (60, 32021522), (65, 29558328), (78, 24631940), (104, 18473955), (120, 16010761), (130, 14779164), (156, 12315970), (195, 9852776), (260, 7389582), (312, 6157985), (390, 4926388), (520, 3694791), (780, 2463194), (1560, 1231597)]