27431820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 94479840

約数和(自身を除く): 67048020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 617, 684, 741, 780, 855, 988, 1140, 1170, 1234, 1235, 1482, 1710, 1851, 2223, 2340, 2468, 2470, 2964, 3085, 3420, 3702, 3705, 4446, 4940, 5553, 6170, 7404, 7410, 8021, 8892, 9255, 11106, 11115, 11723, 12340, 14820, 16042, 18510, 22212, 22230, 23446, 24063, 27765, 32084, 35169, 37020, 40105, 44460, 46892, 48126, 55530, 58615, 70338, 72189, 80210, 96252, 105507, 111060, 117230, 120315, 140676, 144378, 152399, 160420, 175845, 211014, 234460, 240630, 288756, 304798, 351690, 360945, 422028, 457197, 481260, 527535, 609596, 703380, 721890, 761995, 914394, 1055070, 1371591, 1443780, 1523990, 1828788, 2110140, 2285985, 2743182, 3047980, 4571970, 5486364, 6857955, 9143940, 13715910, 27431820]

約数ペア:

[(1, 27431820), (2, 13715910), (3, 9143940), (4, 6857955), (5, 5486364), (6, 4571970), (9, 3047980), (10, 2743182), (12, 2285985), (13, 2110140), (15, 1828788), (18, 1523990), (19, 1443780), (20, 1371591), (26, 1055070), (30, 914394), (36, 761995), (38, 721890), (39, 703380), (45, 609596), (52, 527535), (57, 481260), (60, 457197), (65, 422028), (76, 360945), (78, 351690), (90, 304798), (95, 288756), (114, 240630), (117, 234460), (130, 211014), (156, 175845), (171, 160420), (180, 152399), (190, 144378), (195, 140676), (228, 120315), (234, 117230), (247, 111060), (260, 105507), (285, 96252), (342, 80210), (380, 72189), (390, 70338), (468, 58615), (494, 55530), (570, 48126), (585, 46892), (617, 44460), (684, 40105), (741, 37020), (780, 35169), (855, 32084), (988, 27765), (1140, 24063), (1170, 23446), (1234, 22230), (1235, 22212), (1482, 18510), (1710, 16042), (1851, 14820), (2223, 12340), (2340, 11723), (2468, 11115), (2470, 11106), (2964, 9255), (3085, 8892), (3420, 8021), (3702, 7410), (3705, 7404), (4446, 6170), (4940, 5553)]