306880020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1566

約数の個数: 144

約数和(自身を含む): 996602880

約数和(自身を除く): 689722860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 61, 76, 90, 95, 114, 122, 171, 180, 183, 190, 228, 244, 285, 305, 342, 366, 380, 549, 570, 610, 684, 732, 855, 915, 1098, 1140, 1159, 1220, 1471, 1710, 1830, 2196, 2318, 2745, 2942, 3420, 3477, 3660, 4413, 4636, 5490, 5795, 5884, 6954, 7355, 8826, 10431, 10980, 11590, 13239, 13908, 14710, 17385, 17652, 20862, 22065, 23180, 26478, 27949, 29420, 34770, 41724, 44130, 52155, 52956, 55898, 66195, 69540, 83847, 88260, 89731, 104310, 111796, 132390, 139745, 167694, 179462, 208620, 251541, 264780, 269193, 279490, 335388, 358924, 419235, 448655, 503082, 538386, 558980, 807579, 838470, 897310, 1006164, 1076772, 1257705, 1345965, 1615158, 1676940, 1704889, 1794620, 2515410, 2691930, 3230316, 3409778, 4037895, 5030820, 5114667, 5383860, 6819556, 8075790, 8524445, 10229334, 15344001, 16151580, 17048890, 20458668, 25573335, 30688002, 34097780, 51146670, 61376004, 76720005, 102293340, 153440010, 306880020]

約数ペア:

[(1, 306880020), (2, 153440010), (3, 102293340), (4, 76720005), (5, 61376004), (6, 51146670), (9, 34097780), (10, 30688002), (12, 25573335), (15, 20458668), (18, 17048890), (19, 16151580), (20, 15344001), (30, 10229334), (36, 8524445), (38, 8075790), (45, 6819556), (57, 5383860), (60, 5114667), (61, 5030820), (76, 4037895), (90, 3409778), (95, 3230316), (114, 2691930), (122, 2515410), (171, 1794620), (180, 1704889), (183, 1676940), (190, 1615158), (228, 1345965), (244, 1257705), (285, 1076772), (305, 1006164), (342, 897310), (366, 838470), (380, 807579), (549, 558980), (570, 538386), (610, 503082), (684, 448655), (732, 419235), (855, 358924), (915, 335388), (1098, 279490), (1140, 269193), (1159, 264780), (1220, 251541), (1471, 208620), (1710, 179462), (1830, 167694), (2196, 139745), (2318, 132390), (2745, 111796), (2942, 104310), (3420, 89731), (3477, 88260), (3660, 83847), (4413, 69540), (4636, 66195), (5490, 55898), (5795, 52956), (5884, 52155), (6954, 44130), (7355, 41724), (8826, 34770), (10431, 29420), (10980, 27949), (11590, 26478), (13239, 23180), (13908, 22065), (14710, 20862), (17385, 17652)]