72784140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:552

約数の個数: 192

約数和(自身を含む): 254016000

約数和(自身を除く): 181231860

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 17, 20, 22, 26, 30, 33, 34, 39, 44, 51, 52, 55, 60, 65, 66, 68, 78, 85, 102, 110, 130, 132, 143, 156, 165, 170, 187, 195, 204, 220, 221, 255, 260, 286, 330, 340, 374, 390, 429, 442, 499, 510, 561, 572, 660, 663, 715, 748, 780, 858, 884, 935, 998, 1020, 1105, 1122, 1326, 1430, 1497, 1716, 1870, 1996, 2145, 2210, 2244, 2431, 2495, 2652, 2805, 2860, 2994, 3315, 3740, 4290, 4420, 4862, 4990, 5489, 5610, 5988, 6487, 6630, 7293, 7485, 8483, 8580, 9724, 9980, 10978, 11220, 12155, 12974, 13260, 14586, 14970, 16467, 16966, 19461, 21956, 24310, 25449, 25948, 27445, 29172, 29940, 32435, 32934, 33932, 36465, 38922, 42415, 48620, 50898, 54890, 64870, 65868, 71357, 72930, 77844, 82335, 84830, 93313, 97305, 101796, 109780, 110279, 127245, 129740, 142714, 145860, 164670, 169660, 186626, 194610, 214071, 220558, 254490, 279939, 285428, 329340, 330837, 356785, 373252, 389220, 428142, 441116, 466565, 508980, 551395, 559878, 661674, 713570, 856284, 933130, 1070355, 1102790, 1119756, 1213069, 1323348, 1399695, 1427140, 1654185, 1866260, 2140710, 2205580, 2426138, 2799390, 3308370, 3639207, 4281420, 4852276, 5598780, 6065345, 6616740, 7278414, 12130690, 14556828, 18196035, 24261380, 36392070, 72784140]

約数ペア:

[(1, 72784140), (2, 36392070), (3, 24261380), (4, 18196035), (5, 14556828), (6, 12130690), (10, 7278414), (11, 6616740), (12, 6065345), (13, 5598780), (15, 4852276), (17, 4281420), (20, 3639207), (22, 3308370), (26, 2799390), (30, 2426138), (33, 2205580), (34, 2140710), (39, 1866260), (44, 1654185), (51, 1427140), (52, 1399695), (55, 1323348), (60, 1213069), (65, 1119756), (66, 1102790), (68, 1070355), (78, 933130), (85, 856284), (102, 713570), (110, 661674), (130, 559878), (132, 551395), (143, 508980), (156, 466565), (165, 441116), (170, 428142), (187, 389220), (195, 373252), (204, 356785), (220, 330837), (221, 329340), (255, 285428), (260, 279939), (286, 254490), (330, 220558), (340, 214071), (374, 194610), (390, 186626), (429, 169660), (442, 164670), (499, 145860), (510, 142714), (561, 129740), (572, 127245), (660, 110279), (663, 109780), (715, 101796), (748, 97305), (780, 93313), (858, 84830), (884, 82335), (935, 77844), (998, 72930), (1020, 71357), (1105, 65868), (1122, 64870), (1326, 54890), (1430, 50898), (1497, 48620), (1716, 42415), (1870, 38922), (1996, 36465), (2145, 33932), (2210, 32934), (2244, 32435), (2431, 29940), (2495, 29172), (2652, 27445), (2805, 25948), (2860, 25449), (2994, 24310), (3315, 21956), (3740, 19461), (4290, 16966), (4420, 16467), (4862, 14970), (4990, 14586), (5489, 13260), (5610, 12974), (5988, 12155), (6487, 11220), (6630, 10978), (7293, 9980), (7485, 9724), (8483, 8580)]