12960023880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{43391}}^1$

素因数の和:43555

約数の個数: 128

約数和(自身を含む): 41239756800

約数和(自身を除く): 28279732920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 131, 152, 190, 228, 262, 285, 380, 393, 456, 524, 570, 655, 760, 786, 1048, 1140, 1310, 1572, 1965, 2280, 2489, 2620, 3144, 3930, 4978, 5240, 7467, 7860, 9956, 12445, 14934, 15720, 19912, 24890, 29868, 37335, 43391, 49780, 59736, 74670, 86782, 99560, 130173, 149340, 173564, 216955, 260346, 298680, 347128, 433910, 520692, 650865, 824429, 867820, 1041384, 1301730, 1648858, 1735640, 2473287, 2603460, 3297716, 4122145, 4946574, 5206920, 5684221, 6595432, 8244290, 9893148, 11368442, 12366435, 16488580, 17052663, 19786296, 22736884, 24732870, 28421105, 32977160, 34105326, 45473768, 49465740, 56842210, 68210652, 85263315, 98931480, 108000199, 113684420, 136421304, 170526630, 216000398, 227368840, 324000597, 341053260, 432000796, 540000995, 648001194, 682106520, 864001592, 1080001990, 1296002388, 1620002985, 2160003980, 2592004776, 3240005970, 4320007960, 6480011940, 12960023880]

約数ペア:

[(1, 12960023880), (2, 6480011940), (3, 4320007960), (4, 3240005970), (5, 2592004776), (6, 2160003980), (8, 1620002985), (10, 1296002388), (12, 1080001990), (15, 864001592), (19, 682106520), (20, 648001194), (24, 540000995), (30, 432000796), (38, 341053260), (40, 324000597), (57, 227368840), (60, 216000398), (76, 170526630), (95, 136421304), (114, 113684420), (120, 108000199), (131, 98931480), (152, 85263315), (190, 68210652), (228, 56842210), (262, 49465740), (285, 45473768), (380, 34105326), (393, 32977160), (456, 28421105), (524, 24732870), (570, 22736884), (655, 19786296), (760, 17052663), (786, 16488580), (1048, 12366435), (1140, 11368442), (1310, 9893148), (1572, 8244290), (1965, 6595432), (2280, 5684221), (2489, 5206920), (2620, 4946574), (3144, 4122145), (3930, 3297716), (4978, 2603460), (5240, 2473287), (7467, 1735640), (7860, 1648858), (9956, 1301730), (12445, 1041384), (14934, 867820), (15720, 824429), (19912, 650865), (24890, 520692), (29868, 433910), (37335, 347128), (43391, 298680), (49780, 260346), (59736, 216955), (74670, 173564), (86782, 149340), (99560, 130173)]