1555442980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1530

約数の個数: 192

約数和(自身を含む): 4371333120

約数和(自身を除く): 2815890140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 31, 35, 38, 52, 62, 65, 70, 76, 91, 95, 124, 130, 133, 140, 155, 182, 190, 217, 247, 260, 266, 310, 364, 380, 403, 434, 455, 494, 532, 589, 620, 665, 806, 868, 910, 988, 1085, 1178, 1235, 1330, 1451, 1612, 1729, 1820, 2015, 2170, 2356, 2470, 2660, 2821, 2902, 2945, 3458, 4030, 4123, 4340, 4940, 5642, 5804, 5890, 6916, 7255, 7657, 8060, 8246, 8645, 10157, 11284, 11780, 14105, 14510, 15314, 16492, 17290, 18863, 20314, 20615, 27569, 28210, 29020, 30628, 34580, 37726, 38285, 40628, 41230, 44981, 50785, 53599, 55138, 56420, 75452, 76570, 82460, 89962, 94315, 101570, 107198, 110276, 132041, 137845, 153140, 179924, 188630, 192983, 203140, 214396, 224905, 264082, 267995, 275690, 314867, 358397, 377260, 385966, 449810, 528164, 535990, 551380, 584753, 629734, 660205, 716794, 771932, 854639, 899620, 964915, 1071980, 1169506, 1259468, 1320410, 1433588, 1574335, 1709278, 1791985, 1929830, 2339012, 2508779, 2640820, 2923765, 3148670, 3418556, 3583970, 3859660, 4093271, 4273195, 5017558, 5847530, 5982473, 6297340, 7167940, 8186542, 8546390, 10035116, 11110307, 11695060, 11964946, 12543895, 16373084, 17092780, 20466355, 22220614, 23929892, 25087790, 29912365, 40932710, 44441228, 50175580, 55551535, 59824730, 77772149, 81865420, 111103070, 119649460, 155544298, 222206140, 311088596, 388860745, 777721490, 1555442980]

約数ペア:

[(1, 1555442980), (2, 777721490), (4, 388860745), (5, 311088596), (7, 222206140), (10, 155544298), (13, 119649460), (14, 111103070), (19, 81865420), (20, 77772149), (26, 59824730), (28, 55551535), (31, 50175580), (35, 44441228), (38, 40932710), (52, 29912365), (62, 25087790), (65, 23929892), (70, 22220614), (76, 20466355), (91, 17092780), (95, 16373084), (124, 12543895), (130, 11964946), (133, 11695060), (140, 11110307), (155, 10035116), (182, 8546390), (190, 8186542), (217, 7167940), (247, 6297340), (260, 5982473), (266, 5847530), (310, 5017558), (364, 4273195), (380, 4093271), (403, 3859660), (434, 3583970), (455, 3418556), (494, 3148670), (532, 2923765), (589, 2640820), (620, 2508779), (665, 2339012), (806, 1929830), (868, 1791985), (910, 1709278), (988, 1574335), (1085, 1433588), (1178, 1320410), (1235, 1259468), (1330, 1169506), (1451, 1071980), (1612, 964915), (1729, 899620), (1820, 854639), (2015, 771932), (2170, 716794), (2356, 660205), (2470, 629734), (2660, 584753), (2821, 551380), (2902, 535990), (2945, 528164), (3458, 449810), (4030, 385966), (4123, 377260), (4340, 358397), (4940, 314867), (5642, 275690), (5804, 267995), (5890, 264082), (6916, 224905), (7255, 214396), (7657, 203140), (8060, 192983), (8246, 188630), (8645, 179924), (10157, 153140), (11284, 137845), (11780, 132041), (14105, 110276), (14510, 107198), (15314, 101570), (16492, 94315), (17290, 89962), (18863, 82460), (20314, 76570), (20615, 75452), (27569, 56420), (28210, 55138), (29020, 53599), (30628, 50785), (34580, 44981), (37726, 41230), (38285, 40628)]