491701860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:907

約数の個数: 192

約数和(自身を含む): 1668038400

約数和(自身を除く): 1176336540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 89, 90, 108, 117, 130, 135, 156, 178, 180, 195, 234, 260, 267, 270, 351, 356, 390, 445, 468, 534, 540, 585, 702, 780, 787, 801, 890, 1068, 1157, 1170, 1335, 1404, 1574, 1602, 1755, 1780, 2314, 2340, 2361, 2403, 2670, 3148, 3204, 3471, 3510, 3935, 4005, 4628, 4722, 4806, 5340, 5785, 6942, 7020, 7083, 7870, 8010, 9444, 9612, 10231, 10413, 11570, 11805, 12015, 13884, 14166, 15740, 16020, 17355, 20462, 20826, 21249, 23140, 23610, 24030, 28332, 30693, 31239, 34710, 35415, 40924, 41652, 42498, 47220, 48060, 51155, 52065, 61386, 62478, 69420, 70043, 70830, 84996, 92079, 102310, 104130, 106245, 122772, 124956, 140086, 141660, 153465, 156195, 184158, 204620, 208260, 210129, 212490, 276237, 280172, 306930, 312390, 350215, 368316, 420258, 424980, 460395, 552474, 613860, 624780, 630387, 700430, 840516, 910559, 920790, 1050645, 1104948, 1260774, 1381185, 1400860, 1821118, 1841580, 1891161, 2101290, 2521548, 2731677, 2762370, 3151935, 3642236, 3782322, 4202580, 4552795, 5463354, 5524740, 6303870, 7564644, 8195031, 9105590, 9455805, 10926708, 12607740, 13658385, 16390062, 18211180, 18911610, 24585093, 27316770, 32780124, 37823220, 40975155, 49170186, 54633540, 81950310, 98340372, 122925465, 163900620, 245850930, 491701860]

約数ペア:

[(1, 491701860), (2, 245850930), (3, 163900620), (4, 122925465), (5, 98340372), (6, 81950310), (9, 54633540), (10, 49170186), (12, 40975155), (13, 37823220), (15, 32780124), (18, 27316770), (20, 24585093), (26, 18911610), (27, 18211180), (30, 16390062), (36, 13658385), (39, 12607740), (45, 10926708), (52, 9455805), (54, 9105590), (60, 8195031), (65, 7564644), (78, 6303870), (89, 5524740), (90, 5463354), (108, 4552795), (117, 4202580), (130, 3782322), (135, 3642236), (156, 3151935), (178, 2762370), (180, 2731677), (195, 2521548), (234, 2101290), (260, 1891161), (267, 1841580), (270, 1821118), (351, 1400860), (356, 1381185), (390, 1260774), (445, 1104948), (468, 1050645), (534, 920790), (540, 910559), (585, 840516), (702, 700430), (780, 630387), (787, 624780), (801, 613860), (890, 552474), (1068, 460395), (1157, 424980), (1170, 420258), (1335, 368316), (1404, 350215), (1574, 312390), (1602, 306930), (1755, 280172), (1780, 276237), (2314, 212490), (2340, 210129), (2361, 208260), (2403, 204620), (2670, 184158), (3148, 156195), (3204, 153465), (3471, 141660), (3510, 140086), (3935, 124956), (4005, 122772), (4628, 106245), (4722, 104130), (4806, 102310), (5340, 92079), (5785, 84996), (6942, 70830), (7020, 70043), (7083, 69420), (7870, 62478), (8010, 61386), (9444, 52065), (9612, 51155), (10231, 48060), (10413, 47220), (11570, 42498), (11805, 41652), (12015, 40924), (13884, 35415), (14166, 34710), (15740, 31239), (16020, 30693), (17355, 28332), (20462, 24030), (20826, 23610), (21249, 23140)]