2545493080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8311}}^1$

素因数の和:8385

約数の個数: 128

約数和(自身を含む): 6702796800

約数和(自身を除く): 4157303720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 620, 760, 806, 988, 1178, 1235, 1240, 1612, 1976, 2015, 2356, 2470, 2945, 3224, 4030, 4712, 4940, 5890, 7657, 8060, 8311, 9880, 11780, 15314, 16120, 16622, 23560, 30628, 33244, 38285, 41555, 61256, 66488, 76570, 83110, 108043, 153140, 157909, 166220, 216086, 257641, 306280, 315818, 332440, 432172, 515282, 540215, 631636, 789545, 864344, 1030564, 1080430, 1263272, 1288205, 1579090, 2052817, 2061128, 2160860, 2576410, 3158180, 3349333, 4105634, 4321720, 4895179, 5152820, 6316360, 6698666, 8211268, 9790358, 10264085, 10305640, 13397332, 16422536, 16746665, 19580716, 20528170, 24475895, 26794664, 33493330, 39161432, 41056340, 48951790, 63637327, 66986660, 82112680, 97903580, 127274654, 133973320, 195807160, 254549308, 318186635, 509098616, 636373270, 1272746540, 2545493080]

約数ペア:

[(1, 2545493080), (2, 1272746540), (4, 636373270), (5, 509098616), (8, 318186635), (10, 254549308), (13, 195807160), (19, 133973320), (20, 127274654), (26, 97903580), (31, 82112680), (38, 66986660), (40, 63637327), (52, 48951790), (62, 41056340), (65, 39161432), (76, 33493330), (95, 26794664), (104, 24475895), (124, 20528170), (130, 19580716), (152, 16746665), (155, 16422536), (190, 13397332), (247, 10305640), (248, 10264085), (260, 9790358), (310, 8211268), (380, 6698666), (403, 6316360), (494, 5152820), (520, 4895179), (589, 4321720), (620, 4105634), (760, 3349333), (806, 3158180), (988, 2576410), (1178, 2160860), (1235, 2061128), (1240, 2052817), (1612, 1579090), (1976, 1288205), (2015, 1263272), (2356, 1080430), (2470, 1030564), (2945, 864344), (3224, 789545), (4030, 631636), (4712, 540215), (4940, 515282), (5890, 432172), (7657, 332440), (8060, 315818), (8311, 306280), (9880, 257641), (11780, 216086), (15314, 166220), (16120, 157909), (16622, 153140), (23560, 108043), (30628, 83110), (33244, 76570), (38285, 66488), (41555, 61256)]