326464840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 841881600

約数和(自身を除く): 515416760

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 173, 190, 191, 247, 260, 346, 380, 382, 494, 520, 692, 760, 764, 865, 955, 988, 1235, 1384, 1528, 1730, 1910, 1976, 2249, 2470, 2483, 3287, 3460, 3629, 3820, 4498, 4940, 4966, 6574, 6920, 7258, 7640, 8996, 9880, 9932, 11245, 12415, 13148, 14516, 16435, 17992, 18145, 19864, 22490, 24830, 26296, 29032, 32870, 33043, 36290, 42731, 44980, 47177, 49660, 65740, 66086, 72580, 85462, 89960, 94354, 99320, 131480, 132172, 145160, 165215, 170924, 188708, 213655, 235885, 264344, 330430, 341848, 377416, 427310, 429559, 471770, 627817, 660860, 854620, 859118, 943540, 1255634, 1321720, 1709240, 1718236, 1887080, 2147795, 2511268, 3139085, 3436472, 4295590, 5022536, 6278170, 8161621, 8591180, 12556340, 16323242, 17182360, 25112680, 32646484, 40808105, 65292968, 81616210, 163232420, 326464840]

約数ペア:

[(1, 326464840), (2, 163232420), (4, 81616210), (5, 65292968), (8, 40808105), (10, 32646484), (13, 25112680), (19, 17182360), (20, 16323242), (26, 12556340), (38, 8591180), (40, 8161621), (52, 6278170), (65, 5022536), (76, 4295590), (95, 3436472), (104, 3139085), (130, 2511268), (152, 2147795), (173, 1887080), (190, 1718236), (191, 1709240), (247, 1321720), (260, 1255634), (346, 943540), (380, 859118), (382, 854620), (494, 660860), (520, 627817), (692, 471770), (760, 429559), (764, 427310), (865, 377416), (955, 341848), (988, 330430), (1235, 264344), (1384, 235885), (1528, 213655), (1730, 188708), (1910, 170924), (1976, 165215), (2249, 145160), (2470, 132172), (2483, 131480), (3287, 99320), (3460, 94354), (3629, 89960), (3820, 85462), (4498, 72580), (4940, 66086), (4966, 65740), (6574, 49660), (6920, 47177), (7258, 44980), (7640, 42731), (8996, 36290), (9880, 33043), (9932, 32870), (11245, 29032), (12415, 26296), (13148, 24830), (14516, 22490), (16435, 19864), (17992, 18145)]