221585220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:376

約数の個数: 240

約数和(自身を含む): 765959040

約数和(自身を除く): 544373820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 30, 36, 38, 45, 46, 54, 57, 60, 69, 76, 81, 90, 92, 95, 108, 114, 115, 135, 138, 162, 171, 180, 190, 207, 228, 230, 270, 276, 285, 313, 324, 342, 345, 380, 405, 414, 437, 460, 513, 540, 570, 621, 626, 684, 690, 810, 828, 855, 874, 939, 1026, 1035, 1140, 1242, 1252, 1311, 1380, 1539, 1565, 1620, 1710, 1748, 1863, 1878, 2052, 2070, 2185, 2484, 2565, 2622, 2817, 3078, 3105, 3130, 3420, 3726, 3756, 3933, 4140, 4370, 4695, 5130, 5244, 5634, 5947, 6156, 6210, 6260, 6555, 7199, 7452, 7695, 7866, 8451, 8740, 9315, 9390, 10260, 11268, 11799, 11894, 12420, 13110, 14085, 14398, 15390, 15732, 16902, 17841, 18630, 18780, 19665, 21597, 23598, 23788, 25353, 26220, 28170, 28796, 29735, 30780, 33804, 35397, 35682, 35995, 37260, 39330, 42255, 43194, 47196, 50706, 53523, 56340, 58995, 59470, 64791, 70794, 71364, 71990, 78660, 84510, 86388, 89205, 101412, 107046, 107985, 117990, 118940, 126765, 129582, 136781, 141588, 143980, 160569, 169020, 176985, 178410, 194373, 214092, 215970, 235980, 253530, 259164, 267615, 273562, 321138, 323955, 353970, 356820, 388746, 410343, 431940, 481707, 507060, 535230, 547124, 583119, 642276, 647910, 683905, 707940, 777492, 802845, 820686, 963414, 971865, 1070460, 1166238, 1231029, 1295820, 1367810, 1605690, 1641372, 1926828, 1943730, 2051715, 2332476, 2408535, 2462058, 2735620, 2915595, 3211380, 3693087, 3887460, 4103430, 4817070, 4924116, 5831190, 6155145, 7386174, 8206860, 9634140, 11079261, 11662380, 12310290, 14772348, 18465435, 22158522, 24620580, 36930870, 44317044, 55396305, 73861740, 110792610, 221585220]

約数ペア:

[(1, 221585220), (2, 110792610), (3, 73861740), (4, 55396305), (5, 44317044), (6, 36930870), (9, 24620580), (10, 22158522), (12, 18465435), (15, 14772348), (18, 12310290), (19, 11662380), (20, 11079261), (23, 9634140), (27, 8206860), (30, 7386174), (36, 6155145), (38, 5831190), (45, 4924116), (46, 4817070), (54, 4103430), (57, 3887460), (60, 3693087), (69, 3211380), (76, 2915595), (81, 2735620), (90, 2462058), (92, 2408535), (95, 2332476), (108, 2051715), (114, 1943730), (115, 1926828), (135, 1641372), (138, 1605690), (162, 1367810), (171, 1295820), (180, 1231029), (190, 1166238), (207, 1070460), (228, 971865), (230, 963414), (270, 820686), (276, 802845), (285, 777492), (313, 707940), (324, 683905), (342, 647910), (345, 642276), (380, 583119), (405, 547124), (414, 535230), (437, 507060), (460, 481707), (513, 431940), (540, 410343), (570, 388746), (621, 356820), (626, 353970), (684, 323955), (690, 321138), (810, 273562), (828, 267615), (855, 259164), (874, 253530), (939, 235980), (1026, 215970), (1035, 214092), (1140, 194373), (1242, 178410), (1252, 176985), (1311, 169020), (1380, 160569), (1539, 143980), (1565, 141588), (1620, 136781), (1710, 129582), (1748, 126765), (1863, 118940), (1878, 117990), (2052, 107985), (2070, 107046), (2185, 101412), (2484, 89205), (2565, 86388), (2622, 84510), (2817, 78660), (3078, 71990), (3105, 71364), (3130, 70794), (3420, 64791), (3726, 59470), (3756, 58995), (3933, 56340), (4140, 53523), (4370, 50706), (4695, 47196), (5130, 43194), (5244, 42255), (5634, 39330), (5947, 37260), (6156, 35995), (6210, 35682), (6260, 35397), (6555, 33804), (7199, 30780), (7452, 29735), (7695, 28796), (7866, 28170), (8451, 26220), (8740, 25353), (9315, 23788), (9390, 23598), (10260, 21597), (11268, 19665), (11799, 18780), (11894, 18630), (12420, 17841), (13110, 16902), (14085, 15732), (14398, 15390)]