679872780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 216

約数和(自身を含む): 2212479360

約数和(自身を除く): 1532606580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 37, 45, 60, 62, 74, 89, 90, 93, 111, 124, 148, 155, 178, 180, 185, 186, 222, 267, 279, 310, 333, 356, 370, 372, 444, 445, 465, 534, 555, 558, 620, 666, 740, 801, 890, 930, 1068, 1110, 1116, 1147, 1332, 1335, 1369, 1395, 1602, 1665, 1780, 1860, 2220, 2294, 2670, 2738, 2759, 2790, 3204, 3293, 3330, 3441, 4005, 4107, 4588, 5340, 5476, 5518, 5580, 5735, 6586, 6660, 6845, 6882, 8010, 8214, 8277, 9879, 10323, 11036, 11470, 12321, 13172, 13690, 13764, 13795, 16020, 16428, 16465, 16554, 17205, 19758, 20535, 20646, 22940, 24642, 24831, 27380, 27590, 29637, 32930, 33108, 34410, 39516, 41070, 41292, 41385, 42439, 49284, 49395, 49662, 51615, 55180, 59274, 61605, 65860, 68820, 82140, 82770, 84878, 98790, 99324, 102083, 103230, 118548, 121841, 123210, 124155, 127317, 148185, 165540, 169756, 197580, 204166, 206460, 212195, 243682, 246420, 248310, 254634, 296370, 306249, 365523, 381951, 408332, 424390, 487364, 496620, 509268, 510415, 592740, 609205, 612498, 636585, 731046, 763902, 848780, 918747, 1020830, 1096569, 1218410, 1224996, 1273170, 1462092, 1527804, 1531245, 1827615, 1837494, 1909755, 2041660, 2193138, 2436820, 2546340, 3062490, 3655230, 3674988, 3777071, 3819510, 4386276, 4593735, 5482845, 6124980, 7310460, 7554142, 7639020, 9187470, 10965690, 11331213, 15108284, 18374940, 18885355, 21931380, 22662426, 33993639, 37770710, 45324852, 56656065, 67987278, 75541420, 113312130, 135974556, 169968195, 226624260, 339936390, 679872780]

約数ペア:

[(1, 679872780), (2, 339936390), (3, 226624260), (4, 169968195), (5, 135974556), (6, 113312130), (9, 75541420), (10, 67987278), (12, 56656065), (15, 45324852), (18, 37770710), (20, 33993639), (30, 22662426), (31, 21931380), (36, 18885355), (37, 18374940), (45, 15108284), (60, 11331213), (62, 10965690), (74, 9187470), (89, 7639020), (90, 7554142), (93, 7310460), (111, 6124980), (124, 5482845), (148, 4593735), (155, 4386276), (178, 3819510), (180, 3777071), (185, 3674988), (186, 3655230), (222, 3062490), (267, 2546340), (279, 2436820), (310, 2193138), (333, 2041660), (356, 1909755), (370, 1837494), (372, 1827615), (444, 1531245), (445, 1527804), (465, 1462092), (534, 1273170), (555, 1224996), (558, 1218410), (620, 1096569), (666, 1020830), (740, 918747), (801, 848780), (890, 763902), (930, 731046), (1068, 636585), (1110, 612498), (1116, 609205), (1147, 592740), (1332, 510415), (1335, 509268), (1369, 496620), (1395, 487364), (1602, 424390), (1665, 408332), (1780, 381951), (1860, 365523), (2220, 306249), (2294, 296370), (2670, 254634), (2738, 248310), (2759, 246420), (2790, 243682), (3204, 212195), (3293, 206460), (3330, 204166), (3441, 197580), (4005, 169756), (4107, 165540), (4588, 148185), (5340, 127317), (5476, 124155), (5518, 123210), (5580, 121841), (5735, 118548), (6586, 103230), (6660, 102083), (6845, 99324), (6882, 98790), (8010, 84878), (8214, 82770), (8277, 82140), (9879, 68820), (10323, 65860), (11036, 61605), (11470, 59274), (12321, 55180), (13172, 51615), (13690, 49662), (13764, 49395), (13795, 49284), (16020, 42439), (16428, 41385), (16465, 41292), (16554, 41070), (17205, 39516), (19758, 34410), (20535, 33108), (20646, 32930), (22940, 29637), (24642, 27590), (24831, 27380)]