15557040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 240

約数和(自身を含む): 58496256

約数和(自身を除く): 42939216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 31, 34, 36, 40, 41, 45, 48, 51, 60, 62, 68, 72, 80, 82, 85, 90, 93, 102, 120, 123, 124, 136, 144, 153, 155, 164, 170, 180, 186, 204, 205, 240, 246, 248, 255, 272, 279, 306, 310, 328, 340, 360, 369, 372, 408, 410, 465, 492, 496, 510, 527, 558, 612, 615, 620, 656, 680, 697, 720, 738, 744, 765, 816, 820, 930, 984, 1020, 1054, 1116, 1224, 1230, 1240, 1271, 1360, 1394, 1395, 1476, 1488, 1530, 1581, 1640, 1845, 1860, 1968, 2040, 2091, 2108, 2232, 2448, 2460, 2480, 2542, 2635, 2788, 2790, 2952, 3060, 3162, 3280, 3485, 3690, 3720, 3813, 4080, 4182, 4216, 4464, 4743, 4920, 5084, 5270, 5576, 5580, 5904, 6120, 6273, 6324, 6355, 6970, 7380, 7440, 7626, 7905, 8364, 8432, 9486, 9840, 10168, 10455, 10540, 11152, 11160, 11439, 12240, 12546, 12648, 12710, 13940, 14760, 15252, 15810, 16728, 18972, 19065, 20336, 20910, 21080, 21607, 22320, 22878, 23715, 25092, 25296, 25420, 27880, 29520, 30504, 31365, 31620, 33456, 37944, 38130, 41820, 42160, 43214, 45756, 47430, 50184, 50840, 55760, 57195, 61008, 62730, 63240, 64821, 75888, 76260, 83640, 86428, 91512, 94860, 100368, 101680, 108035, 114390, 125460, 126480, 129642, 152520, 167280, 172856, 183024, 189720, 194463, 216070, 228780, 250920, 259284, 305040, 324105, 345712, 379440, 388926, 432140, 457560, 501840, 518568, 648210, 777852, 864280, 915120, 972315, 1037136, 1296420, 1555704, 1728560, 1944630, 2592840, 3111408, 3889260, 5185680, 7778520, 15557040]

約数ペア:

[(1, 15557040), (2, 7778520), (3, 5185680), (4, 3889260), (5, 3111408), (6, 2592840), (8, 1944630), (9, 1728560), (10, 1555704), (12, 1296420), (15, 1037136), (16, 972315), (17, 915120), (18, 864280), (20, 777852), (24, 648210), (30, 518568), (31, 501840), (34, 457560), (36, 432140), (40, 388926), (41, 379440), (45, 345712), (48, 324105), (51, 305040), (60, 259284), (62, 250920), (68, 228780), (72, 216070), (80, 194463), (82, 189720), (85, 183024), (90, 172856), (93, 167280), (102, 152520), (120, 129642), (123, 126480), (124, 125460), (136, 114390), (144, 108035), (153, 101680), (155, 100368), (164, 94860), (170, 91512), (180, 86428), (186, 83640), (204, 76260), (205, 75888), (240, 64821), (246, 63240), (248, 62730), (255, 61008), (272, 57195), (279, 55760), (306, 50840), (310, 50184), (328, 47430), (340, 45756), (360, 43214), (369, 42160), (372, 41820), (408, 38130), (410, 37944), (465, 33456), (492, 31620), (496, 31365), (510, 30504), (527, 29520), (558, 27880), (612, 25420), (615, 25296), (620, 25092), (656, 23715), (680, 22878), (697, 22320), (720, 21607), (738, 21080), (744, 20910), (765, 20336), (816, 19065), (820, 18972), (930, 16728), (984, 15810), (1020, 15252), (1054, 14760), (1116, 13940), (1224, 12710), (1230, 12648), (1240, 12546), (1271, 12240), (1360, 11439), (1394, 11160), (1395, 11152), (1476, 10540), (1488, 10455), (1530, 10168), (1581, 9840), (1640, 9486), (1845, 8432), (1860, 8364), (1968, 7905), (2040, 7626), (2091, 7440), (2108, 7380), (2232, 6970), (2448, 6355), (2460, 6324), (2480, 6273), (2542, 6120), (2635, 5904), (2788, 5580), (2790, 5576), (2952, 5270), (3060, 5084), (3162, 4920), (3280, 4743), (3485, 4464), (3690, 4216), (3720, 4182), (3813, 4080)]