31732740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 105670656

約数和(自身を除く): 73937916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 142, 156, 180, 191, 195, 213, 234, 260, 284, 355, 382, 390, 426, 468, 573, 585, 639, 710, 764, 780, 852, 923, 955, 1065, 1146, 1170, 1278, 1420, 1719, 1846, 1910, 2130, 2292, 2340, 2483, 2556, 2769, 2865, 3195, 3438, 3692, 3820, 4260, 4615, 4966, 5538, 5730, 6390, 6876, 7449, 8307, 8595, 9230, 9932, 11076, 11460, 12415, 12780, 13561, 13845, 14898, 16614, 17190, 18460, 22347, 24830, 27122, 27690, 29796, 33228, 34380, 37245, 40683, 41535, 44694, 49660, 54244, 55380, 67805, 74490, 81366, 83070, 89388, 111735, 122049, 135610, 148980, 162732, 166140, 176293, 203415, 223470, 244098, 271220, 352586, 406830, 446940, 488196, 528879, 610245, 705172, 813660, 881465, 1057758, 1220490, 1586637, 1762930, 2115516, 2440980, 2644395, 3173274, 3525860, 5288790, 6346548, 7933185, 10577580, 15866370, 31732740]

約数ペア:

[(1, 31732740), (2, 15866370), (3, 10577580), (4, 7933185), (5, 6346548), (6, 5288790), (9, 3525860), (10, 3173274), (12, 2644395), (13, 2440980), (15, 2115516), (18, 1762930), (20, 1586637), (26, 1220490), (30, 1057758), (36, 881465), (39, 813660), (45, 705172), (52, 610245), (60, 528879), (65, 488196), (71, 446940), (78, 406830), (90, 352586), (117, 271220), (130, 244098), (142, 223470), (156, 203415), (180, 176293), (191, 166140), (195, 162732), (213, 148980), (234, 135610), (260, 122049), (284, 111735), (355, 89388), (382, 83070), (390, 81366), (426, 74490), (468, 67805), (573, 55380), (585, 54244), (639, 49660), (710, 44694), (764, 41535), (780, 40683), (852, 37245), (923, 34380), (955, 33228), (1065, 29796), (1146, 27690), (1170, 27122), (1278, 24830), (1420, 22347), (1719, 18460), (1846, 17190), (1910, 16614), (2130, 14898), (2292, 13845), (2340, 13561), (2483, 12780), (2556, 12415), (2769, 11460), (2865, 11076), (3195, 9932), (3438, 9230), (3692, 8595), (3820, 8307), (4260, 7449), (4615, 6876), (4966, 6390), (5538, 5730)]