38686920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 128

約数和(自身を含む): 123171840

約数和(自身を除く): 84484920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 107, 115, 120, 131, 138, 184, 214, 230, 262, 276, 321, 345, 393, 428, 460, 524, 535, 552, 642, 655, 690, 786, 856, 920, 1048, 1070, 1284, 1310, 1380, 1572, 1605, 1965, 2140, 2461, 2568, 2620, 2760, 3013, 3144, 3210, 3930, 4280, 4922, 5240, 6026, 6420, 7383, 7860, 9039, 9844, 12052, 12305, 12840, 14017, 14766, 15065, 15720, 18078, 19688, 24104, 24610, 28034, 29532, 30130, 36156, 36915, 42051, 45195, 49220, 56068, 59064, 60260, 70085, 72312, 73830, 84102, 90390, 98440, 112136, 120520, 140170, 147660, 168204, 180780, 210255, 280340, 295320, 322391, 336408, 361560, 420510, 560680, 644782, 841020, 967173, 1289564, 1611955, 1682040, 1934346, 2579128, 3223910, 3868692, 4835865, 6447820, 7737384, 9671730, 12895640, 19343460, 38686920]

約数ペア:

[(1, 38686920), (2, 19343460), (3, 12895640), (4, 9671730), (5, 7737384), (6, 6447820), (8, 4835865), (10, 3868692), (12, 3223910), (15, 2579128), (20, 1934346), (23, 1682040), (24, 1611955), (30, 1289564), (40, 967173), (46, 841020), (60, 644782), (69, 560680), (92, 420510), (107, 361560), (115, 336408), (120, 322391), (131, 295320), (138, 280340), (184, 210255), (214, 180780), (230, 168204), (262, 147660), (276, 140170), (321, 120520), (345, 112136), (393, 98440), (428, 90390), (460, 84102), (524, 73830), (535, 72312), (552, 70085), (642, 60260), (655, 59064), (690, 56068), (786, 49220), (856, 45195), (920, 42051), (1048, 36915), (1070, 36156), (1284, 30130), (1310, 29532), (1380, 28034), (1572, 24610), (1605, 24104), (1965, 19688), (2140, 18078), (2461, 15720), (2568, 15065), (2620, 14766), (2760, 14017), (3013, 12840), (3144, 12305), (3210, 12052), (3930, 9844), (4280, 9039), (4922, 7860), (5240, 7383), (6026, 6420)]