15697040780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:684

約数の個数: 144

約数和(自身を含む): 36171074016

約数和(自身を除く): 20474033236

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 137, 170, 172, 215, 274, 289, 340, 430, 461, 548, 578, 685, 731, 860, 922, 1156, 1370, 1445, 1462, 1844, 2305, 2329, 2740, 2890, 2924, 3655, 4610, 4658, 5780, 5891, 7310, 7837, 9220, 9316, 11645, 11782, 12427, 14620, 15674, 19823, 23290, 23564, 24854, 29455, 31348, 39185, 39593, 39646, 46580, 49708, 58910, 62135, 63157, 78370, 79186, 79292, 99115, 100147, 117820, 124270, 126314, 133229, 156740, 158372, 197965, 198230, 200294, 248540, 252628, 266458, 315785, 336991, 395930, 396460, 400588, 500735, 532916, 631570, 666145, 673982, 791860, 1001470, 1073669, 1263140, 1332290, 1347964, 1684955, 1702499, 2002940, 2147338, 2664580, 2715751, 3369910, 3404998, 4294676, 5368345, 5431502, 5728847, 6739820, 6809996, 8512495, 10736690, 10863004, 11457694, 13578755, 17024990, 18252373, 21473380, 22915388, 27157510, 28644235, 34049980, 36504746, 46167767, 54315020, 57288470, 73009492, 91261865, 92335534, 114576940, 182523730, 184671068, 230838835, 365047460, 461677670, 784852039, 923355340, 1569704078, 3139408156, 3924260195, 7848520390, 15697040780]

約数ペア:

[(1, 15697040780), (2, 7848520390), (4, 3924260195), (5, 3139408156), (10, 1569704078), (17, 923355340), (20, 784852039), (34, 461677670), (43, 365047460), (68, 230838835), (85, 184671068), (86, 182523730), (137, 114576940), (170, 92335534), (172, 91261865), (215, 73009492), (274, 57288470), (289, 54315020), (340, 46167767), (430, 36504746), (461, 34049980), (548, 28644235), (578, 27157510), (685, 22915388), (731, 21473380), (860, 18252373), (922, 17024990), (1156, 13578755), (1370, 11457694), (1445, 10863004), (1462, 10736690), (1844, 8512495), (2305, 6809996), (2329, 6739820), (2740, 5728847), (2890, 5431502), (2924, 5368345), (3655, 4294676), (4610, 3404998), (4658, 3369910), (5780, 2715751), (5891, 2664580), (7310, 2147338), (7837, 2002940), (9220, 1702499), (9316, 1684955), (11645, 1347964), (11782, 1332290), (12427, 1263140), (14620, 1073669), (15674, 1001470), (19823, 791860), (23290, 673982), (23564, 666145), (24854, 631570), (29455, 532916), (31348, 500735), (39185, 400588), (39593, 396460), (39646, 395930), (46580, 336991), (49708, 315785), (58910, 266458), (62135, 252628), (63157, 248540), (78370, 200294), (79186, 198230), (79292, 197965), (99115, 158372), (100147, 156740), (117820, 133229), (124270, 126314)]