641991120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{1231}}^1$

素因数の和:1341

約数の個数: 160

約数和(自身を含む): 2078866944

約数和(自身を除く): 1436875824

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 53, 60, 80, 82, 106, 120, 123, 159, 164, 205, 212, 240, 246, 265, 318, 328, 410, 424, 492, 530, 615, 636, 656, 795, 820, 848, 984, 1060, 1230, 1231, 1272, 1590, 1640, 1968, 2120, 2173, 2460, 2462, 2544, 3180, 3280, 3693, 4240, 4346, 4920, 4924, 6155, 6360, 6519, 7386, 8692, 9840, 9848, 10865, 12310, 12720, 13038, 14772, 17384, 18465, 19696, 21730, 24620, 26076, 29544, 32595, 34768, 36930, 43460, 49240, 50471, 52152, 59088, 65190, 65243, 73860, 86920, 98480, 100942, 104304, 130380, 130486, 147720, 151413, 173840, 195729, 201884, 252355, 260760, 260972, 295440, 302826, 326215, 391458, 403768, 504710, 521520, 521944, 605652, 652430, 757065, 782916, 807536, 978645, 1009420, 1043888, 1211304, 1304860, 1514130, 1565832, 1957290, 2018840, 2422608, 2609720, 2674963, 3028260, 3131664, 3914580, 4037680, 5219440, 5349926, 6056520, 7829160, 8024889, 10699852, 12113040, 13374815, 15658320, 16049778, 21399704, 26749630, 32099556, 40124445, 42799408, 53499260, 64199112, 80248890, 106998520, 128398224, 160497780, 213997040, 320995560, 641991120]

約数ペア:

[(1, 641991120), (2, 320995560), (3, 213997040), (4, 160497780), (5, 128398224), (6, 106998520), (8, 80248890), (10, 64199112), (12, 53499260), (15, 42799408), (16, 40124445), (20, 32099556), (24, 26749630), (30, 21399704), (40, 16049778), (41, 15658320), (48, 13374815), (53, 12113040), (60, 10699852), (80, 8024889), (82, 7829160), (106, 6056520), (120, 5349926), (123, 5219440), (159, 4037680), (164, 3914580), (205, 3131664), (212, 3028260), (240, 2674963), (246, 2609720), (265, 2422608), (318, 2018840), (328, 1957290), (410, 1565832), (424, 1514130), (492, 1304860), (530, 1211304), (615, 1043888), (636, 1009420), (656, 978645), (795, 807536), (820, 782916), (848, 757065), (984, 652430), (1060, 605652), (1230, 521944), (1231, 521520), (1272, 504710), (1590, 403768), (1640, 391458), (1968, 326215), (2120, 302826), (2173, 295440), (2460, 260972), (2462, 260760), (2544, 252355), (3180, 201884), (3280, 195729), (3693, 173840), (4240, 151413), (4346, 147720), (4920, 130486), (4924, 130380), (6155, 104304), (6360, 100942), (6519, 98480), (7386, 86920), (8692, 73860), (9840, 65243), (9848, 65190), (10865, 59088), (12310, 52152), (12720, 50471), (13038, 49240), (14772, 43460), (17384, 36930), (18465, 34768), (19696, 32595), (21730, 29544), (24620, 26076)]