17767960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 49766400

約数和(自身を除く): 31998440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 56, 62, 70, 89, 92, 115, 124, 140, 155, 161, 178, 184, 217, 230, 248, 280, 310, 322, 356, 434, 445, 460, 620, 623, 644, 712, 713, 805, 868, 890, 920, 1085, 1240, 1246, 1288, 1426, 1610, 1736, 1780, 2047, 2170, 2492, 2759, 2852, 3115, 3220, 3560, 3565, 4094, 4340, 4984, 4991, 5518, 5704, 6230, 6440, 7130, 8188, 8680, 9982, 10235, 11036, 12460, 13795, 14260, 14329, 16376, 19313, 19964, 20470, 22072, 24920, 24955, 27590, 28520, 28658, 38626, 39928, 40940, 49910, 55180, 57316, 63457, 71645, 77252, 81880, 96565, 99820, 110360, 114632, 126914, 143290, 154504, 193130, 199640, 253828, 286580, 317285, 386260, 444199, 507656, 573160, 634570, 772520, 888398, 1269140, 1776796, 2220995, 2538280, 3553592, 4441990, 8883980, 17767960]

約数ペア:

[(1, 17767960), (2, 8883980), (4, 4441990), (5, 3553592), (7, 2538280), (8, 2220995), (10, 1776796), (14, 1269140), (20, 888398), (23, 772520), (28, 634570), (31, 573160), (35, 507656), (40, 444199), (46, 386260), (56, 317285), (62, 286580), (70, 253828), (89, 199640), (92, 193130), (115, 154504), (124, 143290), (140, 126914), (155, 114632), (161, 110360), (178, 99820), (184, 96565), (217, 81880), (230, 77252), (248, 71645), (280, 63457), (310, 57316), (322, 55180), (356, 49910), (434, 40940), (445, 39928), (460, 38626), (620, 28658), (623, 28520), (644, 27590), (712, 24955), (713, 24920), (805, 22072), (868, 20470), (890, 19964), (920, 19313), (1085, 16376), (1240, 14329), (1246, 14260), (1288, 13795), (1426, 12460), (1610, 11036), (1736, 10235), (1780, 9982), (2047, 8680), (2170, 8188), (2492, 7130), (2759, 6440), (2852, 6230), (3115, 5704), (3220, 5518), (3560, 4991), (3565, 4984), (4094, 4340)]