7872646540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{1619}}^1$

素因数の和:1724

約数の個数: 144

約数和(自身を含む): 19458351360

約数和(自身を除く): 11585704820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 31, 44, 46, 55, 62, 92, 110, 115, 124, 155, 220, 230, 253, 310, 341, 460, 506, 620, 682, 713, 961, 1012, 1265, 1364, 1426, 1619, 1705, 1922, 2530, 2852, 3238, 3410, 3565, 3844, 4805, 5060, 6476, 6820, 7130, 7843, 8095, 9610, 10571, 14260, 15686, 16190, 17809, 19220, 21142, 22103, 31372, 32380, 35618, 37237, 39215, 42284, 44206, 50189, 52855, 71236, 74474, 78430, 88412, 89045, 100378, 105710, 110515, 148948, 156860, 178090, 186185, 200756, 211420, 221030, 243133, 250945, 356180, 372370, 409607, 442060, 486266, 501890, 552079, 744740, 819214, 972532, 1003780, 1104158, 1154347, 1215665, 1555859, 1638428, 2048035, 2208316, 2308694, 2431330, 2760395, 3111718, 4096070, 4617388, 4862660, 5520790, 5771735, 6223436, 7779295, 8192140, 11041580, 11543470, 12697817, 15558590, 17114449, 23086940, 25395634, 31117180, 34228898, 35784757, 50791268, 63489085, 68457796, 71569514, 85572245, 126978170, 143139028, 171144490, 178923785, 253956340, 342288980, 357847570, 393632327, 715695140, 787264654, 1574529308, 1968161635, 3936323270, 7872646540]

約数ペア:

[(1, 7872646540), (2, 3936323270), (4, 1968161635), (5, 1574529308), (10, 787264654), (11, 715695140), (20, 393632327), (22, 357847570), (23, 342288980), (31, 253956340), (44, 178923785), (46, 171144490), (55, 143139028), (62, 126978170), (92, 85572245), (110, 71569514), (115, 68457796), (124, 63489085), (155, 50791268), (220, 35784757), (230, 34228898), (253, 31117180), (310, 25395634), (341, 23086940), (460, 17114449), (506, 15558590), (620, 12697817), (682, 11543470), (713, 11041580), (961, 8192140), (1012, 7779295), (1265, 6223436), (1364, 5771735), (1426, 5520790), (1619, 4862660), (1705, 4617388), (1922, 4096070), (2530, 3111718), (2852, 2760395), (3238, 2431330), (3410, 2308694), (3565, 2208316), (3844, 2048035), (4805, 1638428), (5060, 1555859), (6476, 1215665), (6820, 1154347), (7130, 1104158), (7843, 1003780), (8095, 972532), (9610, 819214), (10571, 744740), (14260, 552079), (15686, 501890), (16190, 486266), (17809, 442060), (19220, 409607), (21142, 372370), (22103, 356180), (31372, 250945), (32380, 243133), (35618, 221030), (37237, 211420), (39215, 200756), (42284, 186185), (44206, 178090), (50189, 156860), (52855, 148948), (71236, 110515), (74474, 105710), (78430, 100378), (88412, 89045)]