31272180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 102187008

約数和(自身を除く): 70914828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 23, 30, 31, 34, 43, 46, 51, 60, 62, 68, 69, 85, 86, 92, 93, 102, 115, 124, 129, 138, 155, 170, 172, 186, 204, 215, 230, 255, 258, 276, 310, 340, 345, 372, 391, 430, 460, 465, 510, 516, 527, 620, 645, 690, 713, 731, 782, 860, 930, 989, 1020, 1054, 1173, 1290, 1333, 1380, 1426, 1462, 1564, 1581, 1860, 1955, 1978, 2108, 2139, 2193, 2346, 2580, 2635, 2666, 2852, 2924, 2967, 3162, 3565, 3655, 3910, 3956, 3999, 4278, 4386, 4692, 4945, 5270, 5332, 5865, 5934, 6324, 6665, 7130, 7310, 7820, 7905, 7998, 8556, 8772, 9890, 10540, 10695, 10965, 11730, 11868, 12121, 13330, 14260, 14620, 14835, 15810, 15996, 16813, 19780, 19995, 21390, 21930, 22661, 23460, 24242, 26660, 29670, 30659, 31620, 33626, 36363, 39990, 42780, 43860, 45322, 48484, 50439, 59340, 60605, 61318, 67252, 67983, 72726, 79980, 84065, 90644, 91977, 100878, 113305, 121210, 122636, 135966, 145452, 153295, 168130, 181815, 183954, 201756, 226610, 242420, 252195, 271932, 306590, 336260, 339915, 363630, 367908, 453220, 459885, 504390, 521203, 613180, 679830, 727260, 919770, 1008780, 1042406, 1359660, 1563609, 1839540, 2084812, 2606015, 3127218, 5212030, 6254436, 7818045, 10424060, 15636090, 31272180]

約数ペア:

[(1, 31272180), (2, 15636090), (3, 10424060), (4, 7818045), (5, 6254436), (6, 5212030), (10, 3127218), (12, 2606015), (15, 2084812), (17, 1839540), (20, 1563609), (23, 1359660), (30, 1042406), (31, 1008780), (34, 919770), (43, 727260), (46, 679830), (51, 613180), (60, 521203), (62, 504390), (68, 459885), (69, 453220), (85, 367908), (86, 363630), (92, 339915), (93, 336260), (102, 306590), (115, 271932), (124, 252195), (129, 242420), (138, 226610), (155, 201756), (170, 183954), (172, 181815), (186, 168130), (204, 153295), (215, 145452), (230, 135966), (255, 122636), (258, 121210), (276, 113305), (310, 100878), (340, 91977), (345, 90644), (372, 84065), (391, 79980), (430, 72726), (460, 67983), (465, 67252), (510, 61318), (516, 60605), (527, 59340), (620, 50439), (645, 48484), (690, 45322), (713, 43860), (731, 42780), (782, 39990), (860, 36363), (930, 33626), (989, 31620), (1020, 30659), (1054, 29670), (1173, 26660), (1290, 24242), (1333, 23460), (1380, 22661), (1426, 21930), (1462, 21390), (1564, 19995), (1581, 19780), (1860, 16813), (1955, 15996), (1978, 15810), (2108, 14835), (2139, 14620), (2193, 14260), (2346, 13330), (2580, 12121), (2635, 11868), (2666, 11730), (2852, 10965), (2924, 10695), (2967, 10540), (3162, 9890), (3565, 8772), (3655, 8556), (3910, 7998), (3956, 7905), (3999, 7820), (4278, 7310), (4386, 7130), (4692, 6665), (4945, 6324), (5270, 5934), (5332, 5865)]