15721940260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{138373}}^1$

素因数の和:138437

約数の個数: 96

約数和(自身を含む): 39054677760

約数和(自身を除く): 23332737500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 23, 26, 38, 46, 52, 65, 76, 92, 95, 115, 130, 190, 230, 247, 260, 299, 380, 437, 460, 494, 598, 874, 988, 1196, 1235, 1495, 1748, 2185, 2470, 2990, 4370, 4940, 5681, 5980, 8740, 11362, 22724, 28405, 56810, 113620, 138373, 276746, 553492, 691865, 1383730, 1798849, 2629087, 2767460, 3182579, 3597698, 5258174, 6365158, 7195396, 8994245, 10516348, 12730316, 13145435, 15912895, 17988490, 26290870, 31825790, 34178131, 35976980, 41373527, 52581740, 60469001, 63651580, 68356262, 82747054, 120938002, 136712524, 165494108, 170890655, 206867635, 241876004, 302345005, 341781310, 413735270, 604690010, 683562620, 786097013, 827470540, 1209380020, 1572194026, 3144388052, 3930485065, 7860970130, 15721940260]

約数ペア:

[(1, 15721940260), (2, 7860970130), (4, 3930485065), (5, 3144388052), (10, 1572194026), (13, 1209380020), (19, 827470540), (20, 786097013), (23, 683562620), (26, 604690010), (38, 413735270), (46, 341781310), (52, 302345005), (65, 241876004), (76, 206867635), (92, 170890655), (95, 165494108), (115, 136712524), (130, 120938002), (190, 82747054), (230, 68356262), (247, 63651580), (260, 60469001), (299, 52581740), (380, 41373527), (437, 35976980), (460, 34178131), (494, 31825790), (598, 26290870), (874, 17988490), (988, 15912895), (1196, 13145435), (1235, 12730316), (1495, 10516348), (1748, 8994245), (2185, 7195396), (2470, 6365158), (2990, 5258174), (4370, 3597698), (4940, 3182579), (5681, 2767460), (5980, 2629087), (8740, 1798849), (11362, 1383730), (22724, 691865), (28405, 553492), (56810, 276746), (113620, 138373)]