64738890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 144

約数和(自身を含む): 189652320

約数和(自身を除く): 124913430

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 19, 30, 34, 38, 45, 51, 57, 85, 90, 95, 102, 114, 131, 153, 170, 171, 190, 255, 262, 285, 289, 306, 323, 342, 393, 510, 570, 578, 646, 655, 765, 786, 855, 867, 969, 1179, 1310, 1445, 1530, 1615, 1710, 1734, 1938, 1965, 2227, 2358, 2489, 2601, 2890, 2907, 3230, 3930, 4335, 4454, 4845, 4978, 5202, 5491, 5814, 5895, 6681, 7467, 8670, 9690, 10982, 11135, 11790, 12445, 13005, 13362, 14535, 14934, 16473, 20043, 22270, 22401, 24890, 26010, 27455, 29070, 32946, 33405, 37335, 37859, 40086, 42313, 44802, 49419, 54910, 66810, 74670, 75718, 82365, 84626, 98838, 100215, 112005, 113577, 126939, 164730, 189295, 200430, 211565, 224010, 227154, 247095, 253878, 340731, 378590, 380817, 423130, 494190, 567885, 634695, 681462, 719321, 761634, 1135770, 1269390, 1438642, 1703655, 1904085, 2157963, 3407310, 3596605, 3808170, 4315926, 6473889, 7193210, 10789815, 12947778, 21579630, 32369445, 64738890]

約数ペア:

[(1, 64738890), (2, 32369445), (3, 21579630), (5, 12947778), (6, 10789815), (9, 7193210), (10, 6473889), (15, 4315926), (17, 3808170), (18, 3596605), (19, 3407310), (30, 2157963), (34, 1904085), (38, 1703655), (45, 1438642), (51, 1269390), (57, 1135770), (85, 761634), (90, 719321), (95, 681462), (102, 634695), (114, 567885), (131, 494190), (153, 423130), (170, 380817), (171, 378590), (190, 340731), (255, 253878), (262, 247095), (285, 227154), (289, 224010), (306, 211565), (323, 200430), (342, 189295), (393, 164730), (510, 126939), (570, 113577), (578, 112005), (646, 100215), (655, 98838), (765, 84626), (786, 82365), (855, 75718), (867, 74670), (969, 66810), (1179, 54910), (1310, 49419), (1445, 44802), (1530, 42313), (1615, 40086), (1710, 37859), (1734, 37335), (1938, 33405), (1965, 32946), (2227, 29070), (2358, 27455), (2489, 26010), (2601, 24890), (2890, 22401), (2907, 22270), (3230, 20043), (3930, 16473), (4335, 14934), (4454, 14535), (4845, 13362), (4978, 13005), (5202, 12445), (5491, 11790), (5814, 11135), (5895, 10982), (6681, 9690), (7467, 8670)]