1905581340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47903}}^1$

素因数の和:47948

約数の個数: 144

約数和(自身を含む): 6591207168

約数和(自身を除く): 4685625828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 13260, 19890, 39780, 47903, 95806, 143709, 191612, 239515, 287418, 431127, 479030, 574836, 622739, 718545, 814351, 862254, 958060, 1245478, 1437090, 1628702, 1724508, 1868217, 2155635, 2443053, 2490956, 2874180, 3113695, 3257404, 3736434, 4071755, 4311270, 4886106, 5604651, 6227390, 7329159, 7472868, 8143510, 8622540, 9341085, 9772212, 10586563, 11209302, 12215265, 12454780, 14658318, 16287020, 18682170, 21173126, 22418604, 24430530, 28023255, 29316636, 31759689, 36645795, 37364340, 42346252, 48861060, 52932815, 56046510, 63519378, 73291590, 95279067, 105865630, 112093020, 127038756, 146583180, 158798445, 190558134, 211731260, 317596890, 381116268, 476395335, 635193780, 952790670, 1905581340]

約数ペア:

[(1, 1905581340), (2, 952790670), (3, 635193780), (4, 476395335), (5, 381116268), (6, 317596890), (9, 211731260), (10, 190558134), (12, 158798445), (13, 146583180), (15, 127038756), (17, 112093020), (18, 105865630), (20, 95279067), (26, 73291590), (30, 63519378), (34, 56046510), (36, 52932815), (39, 48861060), (45, 42346252), (51, 37364340), (52, 36645795), (60, 31759689), (65, 29316636), (68, 28023255), (78, 24430530), (85, 22418604), (90, 21173126), (102, 18682170), (117, 16287020), (130, 14658318), (153, 12454780), (156, 12215265), (170, 11209302), (180, 10586563), (195, 9772212), (204, 9341085), (221, 8622540), (234, 8143510), (255, 7472868), (260, 7329159), (306, 6227390), (340, 5604651), (390, 4886106), (442, 4311270), (468, 4071755), (510, 3736434), (585, 3257404), (612, 3113695), (663, 2874180), (765, 2490956), (780, 2443053), (884, 2155635), (1020, 1868217), (1105, 1724508), (1170, 1628702), (1326, 1437090), (1530, 1245478), (1989, 958060), (2210, 862254), (2340, 814351), (2652, 718545), (3060, 622739), (3315, 574836), (3978, 479030), (4420, 431127), (6630, 287418), (7956, 239515), (9945, 191612), (13260, 143709), (19890, 95806), (39780, 47903)]