18988457880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{11551}}^1$

素因数の和:11694

約数の個数: 256

約数和(自身を含む): 69201100800

約数和(自身を除く): 50212642920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 103, 105, 114, 120, 133, 140, 152, 168, 190, 206, 210, 228, 266, 280, 285, 309, 380, 399, 412, 420, 456, 515, 532, 570, 618, 665, 721, 760, 798, 824, 840, 1030, 1064, 1140, 1236, 1330, 1442, 1545, 1596, 1957, 1995, 2060, 2163, 2280, 2472, 2660, 2884, 3090, 3192, 3605, 3914, 3990, 4120, 4326, 5320, 5768, 5871, 6180, 7210, 7828, 7980, 8652, 9785, 10815, 11551, 11742, 12360, 13699, 14420, 15656, 15960, 17304, 19570, 21630, 23102, 23484, 27398, 28840, 29355, 34653, 39140, 41097, 43260, 46204, 46968, 54796, 57755, 58710, 68495, 69306, 78280, 80857, 82194, 86520, 92408, 109592, 115510, 117420, 136990, 138612, 161714, 164388, 173265, 205485, 219469, 231020, 234840, 242571, 273980, 277224, 323428, 328776, 346530, 404285, 410970, 438938, 462040, 485142, 547960, 646856, 658407, 693060, 808570, 821940, 877876, 970284, 1097345, 1189753, 1212855, 1316814, 1386120, 1536283, 1617140, 1643880, 1755752, 1940568, 2194690, 2379506, 2425710, 2633628, 3072566, 3234280, 3292035, 3569259, 4389380, 4608849, 4759012, 4851420, 5267256, 5948765, 6145132, 6584070, 7138518, 7681415, 8328271, 8778760, 9217698, 9518024, 9702840, 11897530, 12290264, 13168140, 14277036, 15362830, 16656542, 17846295, 18435396, 22605307, 23044245, 23795060, 24984813, 26336280, 28554072, 30725660, 33313084, 35692590, 36870792, 41641355, 45210614, 46088490, 47590120, 49969626, 61451320, 66626168, 67815921, 71385180, 83282710, 90421228, 92176980, 99939252, 113026535, 124924065, 135631842, 142770360, 158237149, 166565420, 180842456, 184353960, 199878504, 226053070, 249848130, 271263684, 316474298, 333130840, 339079605, 452106140, 474711447, 499696260, 542527368, 632948596, 678159210, 791185745, 904212280, 949422894, 999392520, 1265897192, 1356318420, 1582371490, 1898845788, 2373557235, 2712636840, 3164742980, 3797691576, 4747114470, 6329485960, 9494228940, 18988457880]

約数ペア:

[(1, 18988457880), (2, 9494228940), (3, 6329485960), (4, 4747114470), (5, 3797691576), (6, 3164742980), (7, 2712636840), (8, 2373557235), (10, 1898845788), (12, 1582371490), (14, 1356318420), (15, 1265897192), (19, 999392520), (20, 949422894), (21, 904212280), (24, 791185745), (28, 678159210), (30, 632948596), (35, 542527368), (38, 499696260), (40, 474711447), (42, 452106140), (56, 339079605), (57, 333130840), (60, 316474298), (70, 271263684), (76, 249848130), (84, 226053070), (95, 199878504), (103, 184353960), (105, 180842456), (114, 166565420), (120, 158237149), (133, 142770360), (140, 135631842), (152, 124924065), (168, 113026535), (190, 99939252), (206, 92176980), (210, 90421228), (228, 83282710), (266, 71385180), (280, 67815921), (285, 66626168), (309, 61451320), (380, 49969626), (399, 47590120), (412, 46088490), (420, 45210614), (456, 41641355), (515, 36870792), (532, 35692590), (570, 33313084), (618, 30725660), (665, 28554072), (721, 26336280), (760, 24984813), (798, 23795060), (824, 23044245), (840, 22605307), (1030, 18435396), (1064, 17846295), (1140, 16656542), (1236, 15362830), (1330, 14277036), (1442, 13168140), (1545, 12290264), (1596, 11897530), (1957, 9702840), (1995, 9518024), (2060, 9217698), (2163, 8778760), (2280, 8328271), (2472, 7681415), (2660, 7138518), (2884, 6584070), (3090, 6145132), (3192, 5948765), (3605, 5267256), (3914, 4851420), (3990, 4759012), (4120, 4608849), (4326, 4389380), (5320, 3569259), (5768, 3292035), (5871, 3234280), (6180, 3072566), (7210, 2633628), (7828, 2425710), (7980, 2379506), (8652, 2194690), (9785, 1940568), (10815, 1755752), (11551, 1643880), (11742, 1617140), (12360, 1536283), (13699, 1386120), (14420, 1316814), (15656, 1212855), (15960, 1189753), (17304, 1097345), (19570, 970284), (21630, 877876), (23102, 821940), (23484, 808570), (27398, 693060), (28840, 658407), (29355, 646856), (34653, 547960), (39140, 485142), (41097, 462040), (43260, 438938), (46204, 410970), (46968, 404285), (54796, 346530), (57755, 328776), (58710, 323428), (68495, 277224), (69306, 273980), (78280, 242571), (80857, 234840), (82194, 231020), (86520, 219469), (92408, 205485), (109592, 173265), (115510, 164388), (117420, 161714), (136990, 138612)]