15704220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:427

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 35098980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 139, 140, 210, 269, 278, 417, 420, 538, 556, 695, 807, 834, 973, 1076, 1345, 1390, 1614, 1668, 1883, 1946, 2085, 2690, 2780, 2919, 3228, 3766, 3892, 4035, 4170, 4865, 5380, 5649, 5838, 7532, 8070, 8340, 9415, 9730, 11298, 11676, 14595, 16140, 18830, 19460, 22596, 28245, 29190, 37391, 37660, 56490, 58380, 74782, 112173, 112980, 149564, 186955, 224346, 261737, 373910, 448692, 523474, 560865, 747820, 785211, 1046948, 1121730, 1308685, 1570422, 2243460, 2617370, 3140844, 3926055, 5234740, 7852110, 15704220]

約数ペア:

[(1, 15704220), (2, 7852110), (3, 5234740), (4, 3926055), (5, 3140844), (6, 2617370), (7, 2243460), (10, 1570422), (12, 1308685), (14, 1121730), (15, 1046948), (20, 785211), (21, 747820), (28, 560865), (30, 523474), (35, 448692), (42, 373910), (60, 261737), (70, 224346), (84, 186955), (105, 149564), (139, 112980), (140, 112173), (210, 74782), (269, 58380), (278, 56490), (417, 37660), (420, 37391), (538, 29190), (556, 28245), (695, 22596), (807, 19460), (834, 18830), (973, 16140), (1076, 14595), (1345, 11676), (1390, 11298), (1614, 9730), (1668, 9415), (1883, 8340), (1946, 8070), (2085, 7532), (2690, 5838), (2780, 5649), (2919, 5380), (3228, 4865), (3766, 4170), (3892, 4035)]