253128640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:163

約数の個数: 224

約数和(自身を含む): 702259200

約数和(自身を除く): 449130560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 62, 64, 68, 76, 79, 80, 85, 95, 124, 136, 152, 155, 158, 160, 170, 190, 248, 272, 304, 310, 316, 320, 323, 340, 380, 395, 496, 527, 544, 589, 608, 620, 632, 646, 680, 760, 790, 992, 1054, 1088, 1178, 1216, 1240, 1264, 1292, 1343, 1360, 1501, 1520, 1580, 1615, 1984, 2108, 2356, 2449, 2480, 2528, 2584, 2635, 2686, 2720, 2945, 3002, 3040, 3160, 3230, 4216, 4712, 4898, 4960, 5056, 5168, 5270, 5372, 5440, 5890, 6004, 6080, 6320, 6460, 6715, 7505, 8432, 9424, 9796, 9920, 10013, 10336, 10540, 10744, 11780, 12008, 12245, 12640, 12920, 13430, 15010, 16864, 18848, 19592, 20026, 20672, 21080, 21488, 23560, 24016, 24490, 25280, 25517, 25840, 26860, 30020, 33728, 37696, 39184, 40052, 41633, 42160, 42976, 46531, 47120, 48032, 48980, 50065, 51034, 51680, 53720, 60040, 78368, 80104, 83266, 84320, 85952, 93062, 94240, 96064, 97960, 100130, 102068, 103360, 107440, 120080, 127585, 156736, 160208, 166532, 168640, 186124, 188480, 195920, 200260, 204136, 208165, 214880, 232655, 240160, 255170, 320416, 333064, 372248, 391840, 400520, 408272, 416330, 429760, 465310, 480320, 510340, 640832, 666128, 744496, 783680, 791027, 801040, 816544, 832660, 930620, 1020680, 1332256, 1488992, 1582054, 1602080, 1633088, 1665320, 1861240, 2041360, 2664512, 2977984, 3164108, 3204160, 3330640, 3722480, 3955135, 4082720, 6328216, 6661280, 7444960, 7910270, 8165440, 12656432, 13322560, 14889920, 15820540, 25312864, 31641080, 50625728, 63282160, 126564320, 253128640]

約数ペア:

[(1, 253128640), (2, 126564320), (4, 63282160), (5, 50625728), (8, 31641080), (10, 25312864), (16, 15820540), (17, 14889920), (19, 13322560), (20, 12656432), (31, 8165440), (32, 7910270), (34, 7444960), (38, 6661280), (40, 6328216), (62, 4082720), (64, 3955135), (68, 3722480), (76, 3330640), (79, 3204160), (80, 3164108), (85, 2977984), (95, 2664512), (124, 2041360), (136, 1861240), (152, 1665320), (155, 1633088), (158, 1602080), (160, 1582054), (170, 1488992), (190, 1332256), (248, 1020680), (272, 930620), (304, 832660), (310, 816544), (316, 801040), (320, 791027), (323, 783680), (340, 744496), (380, 666128), (395, 640832), (496, 510340), (527, 480320), (544, 465310), (589, 429760), (608, 416330), (620, 408272), (632, 400520), (646, 391840), (680, 372248), (760, 333064), (790, 320416), (992, 255170), (1054, 240160), (1088, 232655), (1178, 214880), (1216, 208165), (1240, 204136), (1264, 200260), (1292, 195920), (1343, 188480), (1360, 186124), (1501, 168640), (1520, 166532), (1580, 160208), (1615, 156736), (1984, 127585), (2108, 120080), (2356, 107440), (2449, 103360), (2480, 102068), (2528, 100130), (2584, 97960), (2635, 96064), (2686, 94240), (2720, 93062), (2945, 85952), (3002, 84320), (3040, 83266), (3160, 80104), (3230, 78368), (4216, 60040), (4712, 53720), (4898, 51680), (4960, 51034), (5056, 50065), (5168, 48980), (5270, 48032), (5372, 47120), (5440, 46531), (5890, 42976), (6004, 42160), (6080, 41633), (6320, 40052), (6460, 39184), (6715, 37696), (7505, 33728), (8432, 30020), (9424, 26860), (9796, 25840), (9920, 25517), (10013, 25280), (10336, 24490), (10540, 24016), (10744, 23560), (11780, 21488), (12008, 21080), (12245, 20672), (12640, 20026), (12920, 19592), (13430, 18848), (15010, 16864)]