74850780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:339

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 140699940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 107, 131, 178, 214, 262, 267, 321, 356, 393, 428, 445, 524, 534, 535, 642, 655, 786, 890, 1068, 1070, 1284, 1310, 1335, 1572, 1605, 1780, 1965, 2140, 2620, 2670, 3210, 3930, 5340, 6420, 7860, 9523, 11659, 14017, 19046, 23318, 28034, 28569, 34977, 38092, 42051, 46636, 47615, 56068, 57138, 58295, 69954, 70085, 84102, 95230, 114276, 116590, 139908, 140170, 142845, 168204, 174885, 190460, 210255, 233180, 280340, 285690, 349770, 420510, 571380, 699540, 841020, 1247513, 2495026, 3742539, 4990052, 6237565, 7485078, 12475130, 14970156, 18712695, 24950260, 37425390, 74850780]

約数ペア:

[(1, 74850780), (2, 37425390), (3, 24950260), (4, 18712695), (5, 14970156), (6, 12475130), (10, 7485078), (12, 6237565), (15, 4990052), (20, 3742539), (30, 2495026), (60, 1247513), (89, 841020), (107, 699540), (131, 571380), (178, 420510), (214, 349770), (262, 285690), (267, 280340), (321, 233180), (356, 210255), (393, 190460), (428, 174885), (445, 168204), (524, 142845), (534, 140170), (535, 139908), (642, 116590), (655, 114276), (786, 95230), (890, 84102), (1068, 70085), (1070, 69954), (1284, 58295), (1310, 57138), (1335, 56068), (1572, 47615), (1605, 46636), (1780, 42051), (1965, 38092), (2140, 34977), (2620, 28569), (2670, 28034), (3210, 23318), (3930, 19046), (5340, 14017), (6420, 11659), (7860, 9523)]