19436910720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{326561}}^1$

素因数の和:326614

約数の個数: 128

約数和(自身を含む): 63953902080

約数和(自身を除く): 44516991360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 930, 960, 992, 1240, 1488, 1860, 1920, 1984, 2480, 2976, 3720, 3968, 4960, 5952, 7440, 9920, 11904, 14880, 19840, 29760, 59520, 326561, 653122, 979683, 1306244, 1632805, 1959366, 2612488, 3265610, 3918732, 4898415, 5224976, 6531220, 7837464, 9796830, 10123391, 10449952, 13062440, 15674928, 19593660, 20246782, 20899904, 26124880, 30370173, 31349856, 39187320, 40493564, 41799808, 50616955, 52249760, 60740346, 62699712, 78374640, 80987128, 101233910, 104499520, 121480692, 125399424, 151850865, 156749280, 161974256, 202467820, 208999040, 242961384, 303701730, 313498560, 323948512, 404935640, 485922768, 607403460, 626997120, 647897024, 809871280, 971845536, 1214806920, 1295794048, 1619742560, 1943691072, 2429613840, 3239485120, 3887382144, 4859227680, 6478970240, 9718455360, 19436910720]

約数ペア:

[(1, 19436910720), (2, 9718455360), (3, 6478970240), (4, 4859227680), (5, 3887382144), (6, 3239485120), (8, 2429613840), (10, 1943691072), (12, 1619742560), (15, 1295794048), (16, 1214806920), (20, 971845536), (24, 809871280), (30, 647897024), (31, 626997120), (32, 607403460), (40, 485922768), (48, 404935640), (60, 323948512), (62, 313498560), (64, 303701730), (80, 242961384), (93, 208999040), (96, 202467820), (120, 161974256), (124, 156749280), (128, 151850865), (155, 125399424), (160, 121480692), (186, 104499520), (192, 101233910), (240, 80987128), (248, 78374640), (310, 62699712), (320, 60740346), (372, 52249760), (384, 50616955), (465, 41799808), (480, 40493564), (496, 39187320), (620, 31349856), (640, 30370173), (744, 26124880), (930, 20899904), (960, 20246782), (992, 19593660), (1240, 15674928), (1488, 13062440), (1860, 10449952), (1920, 10123391), (1984, 9796830), (2480, 7837464), (2976, 6531220), (3720, 5224976), (3968, 4898415), (4960, 3918732), (5952, 3265610), (7440, 2612488), (9920, 1959366), (11904, 1632805), (14880, 1306244), (19840, 979683), (29760, 653122), (59520, 326561)]