87571380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{311}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 279586944

約数和(自身を除く): 192015564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 311, 361, 380, 390, 494, 570, 622, 722, 741, 780, 933, 988, 1083, 1140, 1235, 1244, 1444, 1482, 1555, 1805, 1866, 2166, 2470, 2964, 3110, 3610, 3705, 3732, 4043, 4332, 4665, 4693, 4940, 5415, 5909, 6220, 7220, 7410, 8086, 9330, 9386, 10830, 11818, 12129, 14079, 14820, 16172, 17727, 18660, 18772, 20215, 21660, 23465, 23636, 24258, 28158, 29545, 35454, 40430, 46930, 48516, 56316, 59090, 60645, 70395, 70908, 76817, 80860, 88635, 93860, 112271, 118180, 121290, 140790, 153634, 177270, 224542, 230451, 242580, 281580, 307268, 336813, 354540, 384085, 449084, 460902, 561355, 673626, 768170, 921804, 1122710, 1152255, 1347252, 1459523, 1536340, 1684065, 2245420, 2304510, 2919046, 3368130, 4378569, 4609020, 5838092, 6736260, 7297615, 8757138, 14595230, 17514276, 21892845, 29190460, 43785690, 87571380]

約数ペア:

[(1, 87571380), (2, 43785690), (3, 29190460), (4, 21892845), (5, 17514276), (6, 14595230), (10, 8757138), (12, 7297615), (13, 6736260), (15, 5838092), (19, 4609020), (20, 4378569), (26, 3368130), (30, 2919046), (38, 2304510), (39, 2245420), (52, 1684065), (57, 1536340), (60, 1459523), (65, 1347252), (76, 1152255), (78, 1122710), (95, 921804), (114, 768170), (130, 673626), (156, 561355), (190, 460902), (195, 449084), (228, 384085), (247, 354540), (260, 336813), (285, 307268), (311, 281580), (361, 242580), (380, 230451), (390, 224542), (494, 177270), (570, 153634), (622, 140790), (722, 121290), (741, 118180), (780, 112271), (933, 93860), (988, 88635), (1083, 80860), (1140, 76817), (1235, 70908), (1244, 70395), (1444, 60645), (1482, 59090), (1555, 56316), (1805, 48516), (1866, 46930), (2166, 40430), (2470, 35454), (2964, 29545), (3110, 28158), (3610, 24258), (3705, 23636), (3732, 23465), (4043, 21660), (4332, 20215), (4665, 18772), (4693, 18660), (4940, 17727), (5415, 16172), (5909, 14820), (6220, 14079), (7220, 12129), (7410, 11818), (8086, 10830), (9330, 9386)]