7427940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 22861440

約数和(自身を除く): 15433500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 89, 107, 130, 156, 178, 195, 214, 260, 267, 321, 356, 390, 428, 445, 534, 535, 642, 780, 890, 1068, 1070, 1157, 1284, 1335, 1391, 1605, 1780, 2140, 2314, 2670, 2782, 3210, 3471, 4173, 4628, 5340, 5564, 5785, 6420, 6942, 6955, 8346, 9523, 11570, 13884, 13910, 16692, 17355, 19046, 20865, 23140, 27820, 28569, 34710, 38092, 41730, 47615, 57138, 69420, 83460, 95230, 114276, 123799, 142845, 190460, 247598, 285690, 371397, 495196, 571380, 618995, 742794, 1237990, 1485588, 1856985, 2475980, 3713970, 7427940]

約数ペア:

[(1, 7427940), (2, 3713970), (3, 2475980), (4, 1856985), (5, 1485588), (6, 1237990), (10, 742794), (12, 618995), (13, 571380), (15, 495196), (20, 371397), (26, 285690), (30, 247598), (39, 190460), (52, 142845), (60, 123799), (65, 114276), (78, 95230), (89, 83460), (107, 69420), (130, 57138), (156, 47615), (178, 41730), (195, 38092), (214, 34710), (260, 28569), (267, 27820), (321, 23140), (356, 20865), (390, 19046), (428, 17355), (445, 16692), (534, 13910), (535, 13884), (642, 11570), (780, 9523), (890, 8346), (1068, 6955), (1070, 6942), (1157, 6420), (1284, 5785), (1335, 5564), (1391, 5340), (1605, 4628), (1780, 4173), (2140, 3471), (2314, 3210), (2670, 2782)]