15291990

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 192

約数和(自身を含む): 50319360

約数和(自身を除く): 35027370

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 31, 35, 42, 45, 54, 58, 62, 63, 70, 81, 87, 90, 93, 105, 126, 135, 145, 155, 162, 174, 186, 189, 203, 210, 217, 243, 261, 270, 279, 290, 310, 315, 378, 405, 406, 434, 435, 465, 486, 522, 558, 567, 609, 630, 651, 783, 810, 837, 870, 899, 930, 945, 1015, 1085, 1134, 1215, 1218, 1302, 1305, 1395, 1566, 1674, 1701, 1798, 1827, 1890, 1953, 2030, 2170, 2349, 2430, 2511, 2610, 2697, 2790, 2835, 3045, 3255, 3402, 3654, 3906, 3915, 4185, 4495, 4698, 5022, 5394, 5481, 5670, 5859, 6090, 6293, 6510, 7047, 7533, 7830, 8091, 8370, 8505, 8990, 9135, 9765, 10962, 11718, 11745, 12555, 12586, 13485, 14094, 15066, 16182, 16443, 17010, 17577, 18270, 18879, 19530, 23490, 24273, 25110, 26970, 27405, 29295, 31465, 32886, 35154, 35235, 37665, 37758, 40455, 48546, 49329, 52731, 54810, 56637, 58590, 62930, 70470, 72819, 75330, 80910, 82215, 87885, 94395, 98658, 105462, 113274, 121365, 145638, 164430, 169911, 175770, 188790, 218457, 242730, 246645, 263655, 283185, 339822, 364095, 436914, 493290, 509733, 527310, 566370, 728190, 849555, 1019466, 1092285, 1529199, 1699110, 2184570, 2548665, 3058398, 5097330, 7645995, 15291990]

約数ペア:

[(1, 15291990), (2, 7645995), (3, 5097330), (5, 3058398), (6, 2548665), (7, 2184570), (9, 1699110), (10, 1529199), (14, 1092285), (15, 1019466), (18, 849555), (21, 728190), (27, 566370), (29, 527310), (30, 509733), (31, 493290), (35, 436914), (42, 364095), (45, 339822), (54, 283185), (58, 263655), (62, 246645), (63, 242730), (70, 218457), (81, 188790), (87, 175770), (90, 169911), (93, 164430), (105, 145638), (126, 121365), (135, 113274), (145, 105462), (155, 98658), (162, 94395), (174, 87885), (186, 82215), (189, 80910), (203, 75330), (210, 72819), (217, 70470), (243, 62930), (261, 58590), (270, 56637), (279, 54810), (290, 52731), (310, 49329), (315, 48546), (378, 40455), (405, 37758), (406, 37665), (434, 35235), (435, 35154), (465, 32886), (486, 31465), (522, 29295), (558, 27405), (567, 26970), (609, 25110), (630, 24273), (651, 23490), (783, 19530), (810, 18879), (837, 18270), (870, 17577), (899, 17010), (930, 16443), (945, 16182), (1015, 15066), (1085, 14094), (1134, 13485), (1215, 12586), (1218, 12555), (1302, 11745), (1305, 11718), (1395, 10962), (1566, 9765), (1674, 9135), (1701, 8990), (1798, 8505), (1827, 8370), (1890, 8091), (1953, 7830), (2030, 7533), (2170, 7047), (2349, 6510), (2430, 6293), (2511, 6090), (2610, 5859), (2697, 5670), (2790, 5481), (2835, 5394), (3045, 5022), (3255, 4698), (3402, 4495), (3654, 4185), (3906, 3915)]