15691104020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1\times {\mathrm{823}}^1$

素因数の和:1365

約数の個数: 96

約数和(自身を含む): 35084206080

約数和(自身を除く): 19393102060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 262, 380, 383, 524, 655, 766, 823, 1310, 1532, 1646, 1915, 2489, 2620, 3292, 3830, 4115, 4978, 7277, 7660, 8230, 9956, 12445, 14554, 15637, 16460, 24890, 29108, 31274, 36385, 49780, 50173, 62548, 72770, 78185, 100346, 107813, 145540, 156370, 200692, 215626, 250865, 312740, 315209, 431252, 501730, 539065, 630418, 953287, 1003460, 1078130, 1260836, 1576045, 1906574, 2048447, 2156260, 3152090, 3813148, 4096894, 4766435, 5988971, 6304180, 8193788, 9532870, 10242235, 11977942, 19065740, 20484470, 23955884, 29944855, 40968940, 41292379, 59889710, 82584758, 119779420, 165169516, 206461895, 412923790, 784555201, 825847580, 1569110402, 3138220804, 3922776005, 7845552010, 15691104020]

約数ペア:

[(1, 15691104020), (2, 7845552010), (4, 3922776005), (5, 3138220804), (10, 1569110402), (19, 825847580), (20, 784555201), (38, 412923790), (76, 206461895), (95, 165169516), (131, 119779420), (190, 82584758), (262, 59889710), (380, 41292379), (383, 40968940), (524, 29944855), (655, 23955884), (766, 20484470), (823, 19065740), (1310, 11977942), (1532, 10242235), (1646, 9532870), (1915, 8193788), (2489, 6304180), (2620, 5988971), (3292, 4766435), (3830, 4096894), (4115, 3813148), (4978, 3152090), (7277, 2156260), (7660, 2048447), (8230, 1906574), (9956, 1576045), (12445, 1260836), (14554, 1078130), (15637, 1003460), (16460, 953287), (24890, 630418), (29108, 539065), (31274, 501730), (36385, 431252), (49780, 315209), (50173, 312740), (62548, 250865), (72770, 215626), (78185, 200692), (100346, 156370), (107813, 145540)]