161444220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:732

約数の個数: 144

約数和(自身を含む): 532617120

約数和(自身を除く): 371172900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 89, 98, 105, 140, 147, 178, 196, 210, 245, 267, 294, 356, 420, 445, 490, 534, 588, 617, 623, 735, 890, 980, 1068, 1234, 1246, 1335, 1470, 1780, 1851, 1869, 2468, 2492, 2670, 2940, 3085, 3115, 3702, 3738, 4319, 4361, 5340, 6170, 6230, 7404, 7476, 8638, 8722, 9255, 9345, 12340, 12460, 12957, 13083, 17276, 17444, 18510, 18690, 21595, 21805, 25914, 26166, 30233, 37020, 37380, 43190, 43610, 51828, 52332, 54913, 60466, 64785, 65415, 86380, 87220, 90699, 109826, 120932, 129570, 130830, 151165, 164739, 181398, 219652, 259140, 261660, 274565, 302330, 329478, 362796, 384391, 453495, 549130, 604660, 658956, 768782, 823695, 906990, 1098260, 1153173, 1537564, 1647390, 1813980, 1921955, 2306346, 2690737, 3294780, 3843910, 4612692, 5381474, 5765865, 7687820, 8072211, 10762948, 11531730, 13453685, 16144422, 23063460, 26907370, 32288844, 40361055, 53814740, 80722110, 161444220]

約数ペア:

[(1, 161444220), (2, 80722110), (3, 53814740), (4, 40361055), (5, 32288844), (6, 26907370), (7, 23063460), (10, 16144422), (12, 13453685), (14, 11531730), (15, 10762948), (20, 8072211), (21, 7687820), (28, 5765865), (30, 5381474), (35, 4612692), (42, 3843910), (49, 3294780), (60, 2690737), (70, 2306346), (84, 1921955), (89, 1813980), (98, 1647390), (105, 1537564), (140, 1153173), (147, 1098260), (178, 906990), (196, 823695), (210, 768782), (245, 658956), (267, 604660), (294, 549130), (356, 453495), (420, 384391), (445, 362796), (490, 329478), (534, 302330), (588, 274565), (617, 261660), (623, 259140), (735, 219652), (890, 181398), (980, 164739), (1068, 151165), (1234, 130830), (1246, 129570), (1335, 120932), (1470, 109826), (1780, 90699), (1851, 87220), (1869, 86380), (2468, 65415), (2492, 64785), (2670, 60466), (2940, 54913), (3085, 52332), (3115, 51828), (3702, 43610), (3738, 43190), (4319, 37380), (4361, 37020), (5340, 30233), (6170, 26166), (6230, 25914), (7404, 21805), (7476, 21595), (8638, 18690), (8722, 18510), (9255, 17444), (9345, 17276), (12340, 13083), (12460, 12957)]