1648893720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{569}}^1$

素因数の和:674

約数の個数: 256

約数和(自身を含む): 5515776000

約数和(自身を除く): 3866882280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 31, 38, 40, 41, 57, 60, 62, 76, 82, 93, 95, 114, 120, 123, 124, 152, 155, 164, 186, 190, 205, 228, 246, 248, 285, 310, 328, 372, 380, 410, 456, 465, 492, 569, 570, 589, 615, 620, 744, 760, 779, 820, 930, 984, 1138, 1140, 1178, 1230, 1240, 1271, 1558, 1640, 1707, 1767, 1860, 2276, 2280, 2337, 2356, 2460, 2542, 2845, 2945, 3116, 3414, 3534, 3720, 3813, 3895, 4552, 4674, 4712, 4920, 5084, 5690, 5890, 6232, 6355, 6828, 7068, 7626, 7790, 8535, 8835, 9348, 10168, 10811, 11380, 11685, 11780, 12710, 13656, 14136, 15252, 15580, 17070, 17639, 17670, 18696, 19065, 21622, 22760, 23329, 23370, 23560, 24149, 25420, 30504, 31160, 32433, 34140, 35278, 35340, 38130, 43244, 46658, 46740, 48298, 50840, 52917, 54055, 64866, 68280, 69987, 70556, 70680, 72447, 76260, 86488, 88195, 93316, 93480, 96596, 105834, 108110, 116645, 120745, 129732, 139974, 141112, 144894, 152520, 162165, 176390, 186632, 193192, 211668, 216220, 233290, 241490, 259464, 264585, 279948, 289788, 324330, 335141, 349935, 352780, 362235, 423336, 432440, 443251, 466580, 482980, 529170, 559896, 579576, 648660, 670282, 699870, 705560, 723199, 724470, 886502, 933160, 965960, 1005423, 1058340, 1297320, 1329753, 1340564, 1399740, 1446398, 1448940, 1675705, 1773004, 2010846, 2116680, 2169597, 2216255, 2659506, 2681128, 2799480, 2892796, 2897880, 3351410, 3546008, 3615995, 4021692, 4339194, 4432510, 5027115, 5319012, 5785592, 6648765, 6702820, 7231990, 8043384, 8678388, 8865020, 10054230, 10638024, 10847985, 13297530, 13405640, 13740781, 14463980, 17356776, 17730040, 20108460, 21695970, 26595060, 27481562, 28927960, 40216920, 41222343, 43391940, 53190120, 54963124, 68703905, 82444686, 86783880, 109926248, 137407810, 164889372, 206111715, 274815620, 329778744, 412223430, 549631240, 824446860, 1648893720]

約数ペア:

[(1, 1648893720), (2, 824446860), (3, 549631240), (4, 412223430), (5, 329778744), (6, 274815620), (8, 206111715), (10, 164889372), (12, 137407810), (15, 109926248), (19, 86783880), (20, 82444686), (24, 68703905), (30, 54963124), (31, 53190120), (38, 43391940), (40, 41222343), (41, 40216920), (57, 28927960), (60, 27481562), (62, 26595060), (76, 21695970), (82, 20108460), (93, 17730040), (95, 17356776), (114, 14463980), (120, 13740781), (123, 13405640), (124, 13297530), (152, 10847985), (155, 10638024), (164, 10054230), (186, 8865020), (190, 8678388), (205, 8043384), (228, 7231990), (246, 6702820), (248, 6648765), (285, 5785592), (310, 5319012), (328, 5027115), (372, 4432510), (380, 4339194), (410, 4021692), (456, 3615995), (465, 3546008), (492, 3351410), (569, 2897880), (570, 2892796), (589, 2799480), (615, 2681128), (620, 2659506), (744, 2216255), (760, 2169597), (779, 2116680), (820, 2010846), (930, 1773004), (984, 1675705), (1138, 1448940), (1140, 1446398), (1178, 1399740), (1230, 1340564), (1240, 1329753), (1271, 1297320), (1558, 1058340), (1640, 1005423), (1707, 965960), (1767, 933160), (1860, 886502), (2276, 724470), (2280, 723199), (2337, 705560), (2356, 699870), (2460, 670282), (2542, 648660), (2845, 579576), (2945, 559896), (3116, 529170), (3414, 482980), (3534, 466580), (3720, 443251), (3813, 432440), (3895, 423336), (4552, 362235), (4674, 352780), (4712, 349935), (4920, 335141), (5084, 324330), (5690, 289788), (5890, 279948), (6232, 264585), (6355, 259464), (6828, 241490), (7068, 233290), (7626, 216220), (7790, 211668), (8535, 193192), (8835, 186632), (9348, 176390), (10168, 162165), (10811, 152520), (11380, 144894), (11685, 141112), (11780, 139974), (12710, 129732), (13656, 120745), (14136, 116645), (15252, 108110), (15580, 105834), (17070, 96596), (17639, 93480), (17670, 93316), (18696, 88195), (19065, 86488), (21622, 76260), (22760, 72447), (23329, 70680), (23370, 70556), (23560, 69987), (24149, 68280), (25420, 64866), (30504, 54055), (31160, 52917), (32433, 50840), (34140, 48298), (35278, 46740), (35340, 46658), (38130, 43244)]